Blank, W. (1995). The 9 natural laws of leadership. AMACOM; VIVA Books Private Ltd..
Chicagoスタイル(17版)引用形式Blank, Warren. The 9 Natural Laws of Leadership. New York; New Delhi: AMACOM; VIVA Books Private Ltd., 1995.
MLA(8版)引用形式Blank, Warren. The 9 Natural Laws of Leadership. AMACOM; VIVA Books Private Ltd., 1995.
警告: この引用は必ずしも正確ではありません.