APA(7版)引用形式

Drucker, P. F. (2001). Management Challenges for the 21st Century. HarperCollins Publishers.

Chicagoスタイル(17版)引用形式

Drucker, Peter F. Management Challenges for the 21st Century. New York: HarperCollins Publishers, 2001.

MLA(9版)引用形式

Drucker, Peter F. Management Challenges for the 21st Century. HarperCollins Publishers, 2001.

警告: この引用は必ずしも正確ではありません.