Παραπομπή APA

Guo, B., & Ghalambor, A. (2002). Gas volume requirements for underbalanced drilling: Deviated holes. Tulsa, OK.: Pennwell Corporation.

Παραπομπή Chicago Style

Guo, Boyun, and Ali Ghalambor. Gas Volume Requirements for Underbalanced Drilling: Deviated Holes. Tulsa, OK.: Pennwell Corporation, 2002.

Παραπομπή MLA

Guo, Boyun, and Ali Ghalambor. Gas Volume Requirements for Underbalanced Drilling: Deviated Holes. Tulsa, OK.: Pennwell Corporation, 2002.

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