University of Texas. Petroleum Extension Service & International Association of Drilling Contractors. (1981). Safety on the rig (3rd ed.). Petroleum Extension Service, Division of Continuing Education, the University of Texas at Austin, in cooperation with International Association of Drilling Contractors.
Chicago Style (17th ed.) CitationUniversity of Texas. Petroleum Extension Service and International Association of Drilling Contractors. Safety on the Rig. 3rd ed. Austin: Petroleum Extension Service, Division of Continuing Education, the University of Texas at Austin, in cooperation with International Association of Drilling Contractors, 1981.
MLA (9th ed.) CitationUniversity of Texas. Petroleum Extension Service and International Association of Drilling Contractors. Safety on the Rig. 3rd ed. Petroleum Extension Service, Division of Continuing Education, the University of Texas at Austin, in cooperation with International Association of Drilling Contractors, 1981.