University of Texas at Austin. Petroleum Extension Service & International Association of Drilling Contractors. (1975). Normal drilling operations: A home study course. The University.
Chicago Style (17th ed.) CitationUniversity of Texas at Austin. Petroleum Extension Service and International Association of Drilling Contractors. Normal Drilling Operations: A Home Study Course. Austin: The University, 1975.
MLA (9th ed.) CitationUniversity of Texas at Austin. Petroleum Extension Service and International Association of Drilling Contractors. Normal Drilling Operations: A Home Study Course. The University, 1975.
Warning: These citations may not always be 100% accurate.