Cita APA (7th ed.)

Blank, W. (1995). The 9 natural laws of leadership. AMACOM; VIVA Books Private Ltd..

Cita Chicago (17th ed.)

Blank, Warren. The 9 Natural Laws of Leadership. New York; New Delhi: AMACOM; VIVA Books Private Ltd., 1995.

Cita MLA (8th ed.)

Blank, Warren. The 9 Natural Laws of Leadership. AMACOM; VIVA Books Private Ltd., 1995.