Intan Hazim and Hrefna Guðmundsdóttir (2025). From Reykjavík to Penang; Stories of Love and Happiness. USM Press.

Hrefna Guðmundsdóttir og Heiðrún ólafsdottir (2016). Why are Icelanders so Happy? Björt.

Kim S. Cameron (2012). Positive Leadership; Strategies for Extraordinary Performance. Berrett Koehler Publisher.

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Bréne Brown (2021). Atlas of the Heart. Random House.

Barbara Friedricsen (2013). Love 2.0: Creating Happiness and Health in Moments of Connection. Hudson Street Press, 2013

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Martin Seligman (1991). Learned Optimism: How to Change your Mind and Your Life. New York.

Martin Seligman (1996). The optimistic child. Proven Program to Safeguard Children from Depression and Build Lifelong Resilience. New York.

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Martin Seligman (2018). The Hope Circuit; A Psychologist´s Journey from Helplessness to Optimism. Public Affairs.

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• Kashdan, T. & Biswas-Diener, R. (2014). The Upside of Your Dark Side:Why being your whole self—not just your “good self”—drives success and fulfillment.
• Biswas-Diener, R. (2012). The Courage Quotient: How science can make you braver.
• Biswas-Diener, R. (2011). Positive psychology as social change.
• Biswas-Diener, Robert. (2010) Practicing Positive Psychology Coaching: Assessment, Diagnosis, and Intervention.
• Linley, A., Willars, J., & Biswas-Diener, R. (2010). The strengths book: Be confident, be successful, and enjoy better relationships by realising the best of you.
• Diener, Ed., and Biswas-Diener, Robert. (2008) Happiness: Unlocking the mysteries of psychological wealth.
• Biswas-Diener, R., and Ben Dean (2007) Positive Psychology Coaching (2007)

• Journal of Happiness Studies; Springer.
• http://www.actionforhappiness.org/
• http://www.happify.com/
• Michael Argyle (2001); ThePsychology of Happiness. Routhless
• Martin E.P. Seligman (2002). AuthenticPsychology. The Free Press, NY 10020.
• Richard Matthieu (2003). Happiness. Little Brown
• Christopher Peterson (2006); A primerinPositivePsychology.Oxford, University Press.
• Seligman, Martin (2006) Learn Optimism, How to change your mind and your life. Vintage.
• Biswas – Diener, Robert (2007). Positive Psychology Coaching. John Wiley&sons Inc..
• Ed Diener og Robert Biswas Diener (2008); Happiness; Blackwell Publishing, USA.
• Fredrickson, Barbara (2009). Positivity. Groundbreaking Research to Release Your Inner Optimist and Thrive. One World. Oxford.
• Ben Shahar, Tal (2009). Meiri hamingja. (Karl Ágúst Úlfsson þýddi).  Undur og stórmerki.
• Morris, Ian (2009) Teaching Happiness and Well-Being in Schools. Continuum.
• Weiner, Eric (2011).  Hamingjulöndin, landafræði lukkunnar (2011) . (Jóhann Axel Andersen þýddi). Ormstunga
• Brdar, Ingrid (2011).  The Human Pursuit of Well Being. A Cultural Approach.  Springer.
• Diener, Robert Biswas (2011). Positive Psychology as Social Change. Springer.
• Heimasíða félags um jákvæða sálfræði: http://jakvaedsalfraedi.is
• Fésbókarsíða félags um jákvæða sálfræði: http://www.facebook.com/pages/F%C3%A9lag-um-j%C3%A1kv%C3%A6%C3%B0a-s%C3%A1lfr%C3%A6%C3%B0i/189084797806229
• Góð síða Dr. Martin Seligman, þar sem m.a. styrkleikaprófið hans er ef þú skráir þig inn í gagnagrunninn. Ókeypis þátttaka en í staðinn eru svörin þín notuð í rannsóknarskyni: http://authentichappiness.sas.upenn.edu/

• Mikilvæg grein eftir Dr. Martin Seligman og Mihaly Csikszentmihalyi sem hefur þar með, uppgang jákvæðrar sálfræði í USA: Seligman, Martin E. P., & Csikszentmihalyi, Mihaly “Mike.” (2000). Positive psychology: An introduction. American Psychologist, 55, 5-14.
• Mikilvæg grein eftir Dr. Gunnar Hrafn Birgisson sálfræðing um jákvæða sálfræði á vefriti Sálfræðingafélagsins: http://vefritsi.wordpress.com/2010/02/01/jakv%C3%A6%C3%B0-salfr%C3%A6%C3%B0i/