एपीए उद्धरण

Whittaker, A. (1985). Coring operations: Procedures for sampling and analysis of bottomhole and sidewall cores. International Human Resources Development Corporation.

शिकागो स्टाइल उद्धरण

Whittaker, Alun. Coring Operations: Procedures for Sampling and Analysis of Bottomhole and Sidewall Cores. Boston: International Human Resources Development Corporation, 1985.

एमएलए उद्धरण

Whittaker, Alun. Coring Operations: Procedures for Sampling and Analysis of Bottomhole and Sidewall Cores. International Human Resources Development Corporation, 1985.