APA (7e ed.) Bronvermelding

Cohen, W. A. (2014). The practical Drucker: Applying the wisdom of the world's greatest management thinker. AMACOM.

Chicago (17e ed.) Bronvermelding

Cohen, William A. The Practical Drucker: Applying the Wisdom of the World's Greatest Management Thinker. New York: AMACOM, 2014.

MLA (9e ed.) Bronvermelding

Cohen, William A. The Practical Drucker: Applying the Wisdom of the World's Greatest Management Thinker. AMACOM, 2014.