APA aipamena

Hanna, P. (2003). You can sell it. Penguin Books.

Chicago Style aipamena

Hanna, Paul. You Can Sell It. New Delhi: Penguin Books, 2003.

MLA aipamena

Hanna, Paul. You Can Sell It. Penguin Books, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.