एपीए उद्धरण

Cohen, W. A. (1990). The art of the leader. New Jersey: Prentice Hall.

शिकागो स्टाइल उद्धरण

Cohen, William A. The Art of the Leader. New Jersey: Prentice Hall, 1990.

एमएलए उद्धरण

Cohen, William A. The Art of the Leader. New Jersey: Prentice Hall, 1990.