APA引文

Drucker, P. F. (2001). The essential Drucker: The best of sixty years of Peter Drucker's essential writings on management. New York: Collins Business Essentials.

Trích dẫn kiểu Chicago

Drucker, Peter F. The Essential Drucker: The Best of Sixty Years of Peter Drucker's Essential Writings On Management. New York: Collins Business Essentials, 2001.

MLA引文

Drucker, Peter F. The Essential Drucker: The Best of Sixty Years of Peter Drucker's Essential Writings On Management. New York: Collins Business Essentials, 2001.

警告：這些引文格式不一定是100％准確.