Cita APA

O'Brien, D. (2006). The penguin- CNBC-TV 18 business yearbook 2006-2007. Penguin group.

Citación estilo Chicago

O'Brien, Derek. The Penguin- CNBC-TV 18 Business Yearbook 2006-2007. New Delhi: Penguin group, 2006.

Cita MLA

O'Brien, Derek. The Penguin- CNBC-TV 18 Business Yearbook 2006-2007. Penguin group, 2006.