एपीए उद्धरण

Gregory, R. L. (1974). Concepts and mechanisms of perception. Duckworth.

शिकागो स्टाइल उद्धरण

Gregory, R. L. Concepts and Mechanisms of Perception. London: Duckworth, 1974.

एमएलए उद्धरण

Gregory, R. L. Concepts and Mechanisms of Perception. Duckworth, 1974.