APA引文

Drucker, P. F. (2006). Classic Drucker: Essential wisdom of Peter Drucker from the pages of Harvard Business Review. Boston: Harvard Business Review Book.

Trích dẫn kiểu Chicago

Drucker, Peter F. Classic Drucker: Essential Wisdom of Peter Drucker From the Pages of Harvard Business Review. Boston: Harvard Business Review Book, 2006.

MLA引文

Drucker, Peter F. Classic Drucker: Essential Wisdom of Peter Drucker From the Pages of Harvard Business Review. Boston: Harvard Business Review Book, 2006.

警告：這些引文格式不一定是100％准確.