APA-čujuhus (7. p.)

WetFeet (Firm). (2002). WetFeet insider guide: Careers in oil and gas. WetFeet.

Chicago-čujuhus (17. p.)

WetFeet (Firm). WetFeet Insider Guide: Careers in Oil and Gas. San Francisco, California: WetFeet, 2002.

MLA-čujuhus (9. p.)

WetFeet (Firm). WetFeet Insider Guide: Careers in Oil and Gas. WetFeet, 2002.

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