Cohen, W. A. (2013). Drucker on Marketing. TMH.
Chicagoスタイル(17版)引用形式Cohen, William A. Drucker on Marketing. New Delhi: TMH, 2013.
MLA(9版)引用形式Cohen, William A. Drucker on Marketing. TMH, 2013.
警告: この引用は必ずしも正確ではありません.
Cohen, W. A. (2013). Drucker on Marketing. TMH.
Chicagoスタイル(17版)引用形式Cohen, William A. Drucker on Marketing. New Delhi: TMH, 2013.
MLA(9版)引用形式Cohen, William A. Drucker on Marketing. TMH, 2013.