एपीए उद्धरण

Bell,John Fred. (1987). History of economic thought (2.). Ronald.

शिकागो स्टाइल उद्धरण

Bell,John Fred. History of Economic Thought. 2. New York: Ronald, 1987.

एमएलए उद्धरण

Bell,John Fred. History of Economic Thought. 2. Ronald, 1987.