एपीए उद्धरण

Kuper,Jessica. (1987). Key thinkers, past and present. Routledge.

शिकागो स्टाइल उद्धरण

Kuper,Jessica. Key Thinkers, Past and Present. London: Routledge, 1987.

एमएलए उद्धरण

Kuper,Jessica. Key Thinkers, Past and Present. Routledge, 1987.