एपीए उद्धरण

Whittaker, A. (1985). Field geologist's training guide. International Human Resources Development Corporation.

शिकागो स्टाइल उद्धरण

Whittaker, Alun. Field Geologist's Training Guide. Boston: International Human Resources Development Corporation, 1985.

एमएलए उद्धरण

Whittaker, Alun. Field Geologist's Training Guide. International Human Resources Development Corporation, 1985.