APA (7th ed.) Zitazioa
Demirdal, B. (2011). Managed pressure drilling. Society of Petroleum Engineers.
Chicago Style (17th ed.) Zitazioa
Demirdal, Barkim. Managed Pressure Drilling. Richardson, TX: Society of Petroleum Engineers, 2011.
MLA (9th ed.) Zitazioa
Demirdal, Barkim. Managed Pressure Drilling. Society of Petroleum Engineers, 2011.
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