American Management Association. Research study. no. 1. s.n.
Chicagoスタイル(17版)引用形式American Management Association. Research Study. No. 1. New York: s.n.
MLA(9版)引用形式American Management Association. Research Study. No. 1. s.n.
警告: この引用は必ずしも正確ではありません.
American Management Association. Research study. no. 1. s.n.
Chicagoスタイル(17版)引用形式American Management Association. Research Study. No. 1. New York: s.n.
MLA(9版)引用形式American Management Association. Research Study. No. 1. s.n.