APA aipamena

Muhadjir, N. (2017). Positive Psychology. Rake Sarasin.

Chicago Style aipamena

Muhadjir, Noeng. Positive Psychology. Rake Sarasin, 2017.

MLA aipamena

Muhadjir, Noeng. Positive Psychology. Rake Sarasin, 2017.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.