APA引文

Peter F Drucker. (2002). Management Challenges for the 21st Century. Butterworth-Heinemann.

Chicago Edition Citation

Peter F Drucker. Management Challenges for the 21st Century. Butterworth-Heinemann, 2002.

MLA引文

Peter F Drucker. Management Challenges for the 21st Century. Butterworth-Heinemann, 2002.

警告：這些引文格式不一定是100％准確.