APA aipamena

Dando-Collins, S. (1998). The Penguin book of business wisdom. Penguin.

Chicago Style aipamena

Dando-Collins, Stephen. The Penguin Book of Business Wisdom. New Delhi: Penguin, 1998.

MLA aipamena

Dando-Collins, Stephen. The Penguin Book of Business Wisdom. Penguin, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.