Citazione Stile APA (7a Edizione)

Obrien, D. (2006). The penguin CNBC-TV 18 business yearbook 2006-07. penguin.

Citazione stile Chigago Style (17a edizione)

Obrien, Derek. The Penguin CNBC-TV 18 Business Yearbook 2006-07. New Delhi: penguin, 2006.

Citatione MLA (9a ed.)

Obrien, Derek. The Penguin CNBC-TV 18 Business Yearbook 2006-07. penguin, 2006.