एपीए उद्धरण

Copeland, M. T. (1957). Executive at work. Has vald university press.

शिकागो स्टाइल उद्धरण

Copeland, Melvin T. Executive at Work. Cambridge: Has vald university press, 1957.

एमएलए उद्धरण

Copeland, Melvin T. Executive at Work. Has vald university press, 1957.