Whittaker, A. (1985). Coring operations: Procedures for sampling and analysis of bottomhole and sidewall cores. International Human Resources Development Corporation.
শিকাগো স্টাইলে সাইটেশনWhittaker, Alun. Coring Operations: Procedures for Sampling and Analysis of Bottomhole and Sidewall Cores. Boston: International Human Resources Development Corporation, 1985.
এমএলএ সাইটেশনWhittaker, Alun. Coring Operations: Procedures for Sampling and Analysis of Bottomhole and Sidewall Cores. International Human Resources Development Corporation, 1985.
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