एपीए उद्धरण

Hartshorn, J. E. (1962). Oil Companies and Governments. London: Faber and Faber.

शिकागो स्टाइल उद्धरण

Hartshorn, J. E. Oil Companies and Governments. London: Faber and Faber, 1962.

एमएलए उद्धरण

Hartshorn, J. E. Oil Companies and Governments. London: Faber and Faber, 1962.