APA(7版)引用形式

.Drucker, P. F. (2000). Management challenges for the 21st century. Butterworth-Heinemann.

Chicagoスタイル(17版)引用形式

.Drucker, Peter F. Management Challenges for the 21st Century. Oxford: Butterworth-Heinemann, 2000.

MLA(9版)引用形式

.Drucker, Peter F. Management Challenges for the 21st Century. Butterworth-Heinemann, 2000.

警告: この引用は必ずしも正確ではありません.