Cita APA (7th ed.)

Markham, C. (2006). The top consultant (4th.). Kogan page.

Cita Chicago (17th ed.)

Markham, Calvert. The Top Consultant. 4th. New Delhi: Kogan page, 2006.

Cita MLA (9th ed.)

Markham, Calvert. The Top Consultant. 4th. Kogan page, 2006.