APA aipamena

Das, G. (2012). The Difficulty of being good. Penguin Books.

Chicago Style aipamena

Das, Gurcharan. The Difficulty of Being Good. New Delhi: Penguin Books, 2012.

MLA aipamena

Das, Gurcharan. The Difficulty of Being Good. Penguin Books, 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.