Citace podle APA (7th ed.)

GARDNER, M. P. (1993). Program helps quickly calculate deviated well path. The Oil & gas journal, 91(47), 79-80.

Citace podle Chicago (17th ed.)

GARDNER, M. P. "Program Helps Quickly Calculate Deviated Well Path." The Oil & Gas Journal 91, no. 47 (1993): 79-80.

Citace podle MLA (9th ed.)

GARDNER, M. P. "Program Helps Quickly Calculate Deviated Well Path." The Oil & Gas Journal, vol. 91, no. 47, 1993, pp. 79-80.

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