Kristján Kristjánsson. (2013). Virtues and Vices in Positive Psychology (1.). Cambridge University Press.
Chicago Style (17th ed.) CitationKristján Kristjánsson. Virtues and Vices in Positive Psychology. 1. Cambridge University Press, 2013.
MLA citiranjeKristján Kristjánsson. Virtues and Vices in Positive Psychology. 1. Cambridge University Press, 2013.
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