Lua APA (7ú heag.)

Peterson, C. (2006). A Primer in positive psychology. Oxford University Press.

Lua i Stíl Chicago (17ú heag.)

Peterson, Christopher. A Primer in Positive Psychology. Oxford: Oxford University Press, 2006.

Lua MLA (9ú heag.)

Peterson, Christopher. A Primer in Positive Psychology. Oxford University Press, 2006.

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