Cita APA (7th ed.)

Lewis, H. (2004). Consultants and advisers. Kogan Page.

Cita Chicago (17th ed.)

Lewis, Harold. Consultants and Advisers. New Delhi: Kogan Page, 2004.

Cita MLA (9th ed.)

Lewis, Harold. Consultants and Advisers. Kogan Page, 2004.