एपीए उद्धरण

Thirkettle, G. (1968). Advanced economics. Macdonald R Evans.

शिकागो स्टाइल उद्धरण

Thirkettle, G.L. Advanced Economics. London: Macdonald R Evans, 1968.

एमएलए उद्धरण

Thirkettle, G.L. Advanced Economics. Macdonald R Evans, 1968.