Cita APA (7th ed.)

Sadler, P. (2004). Leadership (2nd.). Kogan Page India.

Cita Chicago (17th ed.)

Sadler, Philip. Leadership. 2nd. New Delhi: Kogan Page India, 2004.

Cita MLA (9th ed.)

Sadler, Philip. Leadership. 2nd. Kogan Page India, 2004.