Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (8e éd.)

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