एपीए उद्धरण

Gill, R. T. (1972). Evolution of modern economics. Prentice Hall.

शिकागो स्टाइल उद्धरण

Gill, Richard T. Evolution of Modern Economics. New Delhi: Prentice Hall, 1972.

एमएलए उद्धरण

Gill, Richard T. Evolution of Modern Economics. Prentice Hall, 1972.