APA aipamena

Kristján Kristjánsson. (2013). Virtues and Vices in Positive Psychology (1.). Cambridge University Press.

Chicago Style aipamena

Kristján Kristjánsson. Virtues and Vices in Positive Psychology. 1. Cambridge University Press, 2013.

MLA aipamena

Kristján Kristjánsson. Virtues and Vices in Positive Psychology. 1. Cambridge University Press, 2013.

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