APA (7th ed.) Zitazioa
ebrary, Inc, Society of Petroleum Engineers (U.S.), Mitchell, R. F., Miska, S., & Aadny̜, B. S. (2011). Fundamentals of drilling engineering. Society of Petroleum Engineers.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Society of Petroleum Engineers (U.S.), Robert F. Mitchell, Stefan Miska, eta Bernt Sigve Aadny̜. Fundamentals of Drilling Engineering. Richardson, TX: Society of Petroleum Engineers, 2011.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Fundamentals of Drilling Engineering. Society of Petroleum Engineers, 2011.
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