Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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