APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.