Style de citation APA (7e éd.)
Cohen, W. A., & Drucker, P. F. (2008). A class with Drucker: The lost lessons of the world's greatest management teacher. AMACOM/American Management Association.
Style de citation Chicago (17e éd.)
Cohen, William A., et Peter F. Drucker. A Class with Drucker: The Lost Lessons of the World's Greatest Management Teacher. New York: AMACOM/American Management Association, 2008.
Style de citation MLA (9e éd.)
Cohen, William A., et Peter F. Drucker. A Class with Drucker: The Lost Lessons of the World's Greatest Management Teacher. AMACOM/American Management Association, 2008.
Attention : ces citations peuvent ne pas être correctes à 100%.