एपीए उद्धरण

Barber, W. J. (1967). History of economic thought. Penguin.

शिकागो स्टाइल उद्धरण

Barber, William J. History of Economic Thought. USA: Penguin, 1967.

एमएलए उद्धरण

Barber, William J. History of Economic Thought. Penguin, 1967.