APA aipamena

Sen,Amartya. (2009). The idea of justice. Penguin.

Chicago Style aipamena

Sen,Amartya. The Idea of Justice. New Delhi: Penguin, 2009.

MLA aipamena

Sen,Amartya. The Idea of Justice. Penguin, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.