एपीए उद्धरण

Turner, L. (1980). Oil companies in the international system. London: Geogre Allen.

शिकागो स्टाइल उद्धरण

Turner, Louis. Oil Companies in the International System. London: Geogre Allen, 1980.

एमएलए उद्धरण

Turner, Louis. Oil Companies in the International System. London: Geogre Allen, 1980.