Citace podle APA (7th ed.)

WHALEN, B. (1981). Workbook for a primer of oilwell service and workover. Association of oilwell servicing contractors.

Citace podle Chicago (17th ed.)

WHALEN, Bruce. Workbook for a Primer of Oilwell Service and Workover. Association of oilwell servicing contractors, 1981.

Citace podle MLA (8th ed.)

WHALEN, Bruce. Workbook for a Primer of Oilwell Service and Workover. Association of oilwell servicing contractors, 1981.

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