Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.