एपीए उद्धरण

James, C. L. (1960). Principles of economics (9th ed.).

शिकागो स्टाइल उद्धरण

James, Clifford L. Principles of Economics. 9th ed. 1960.

एमएलए उद्धरण

James, Clifford L. Principles of Economics. 9th ed. 1960.