APA

University of Texas. Petroleum Extension Service, International Association of Drilling Contractors & International Association of Drilling Contractors. (1976). The rotary rig and its components. Houston, Texas: University of Texas.

Chicago

University of Texas. Petroleum Extension Service, International Association of Drilling Contractors and International Association of Drilling Contractors. 1976. The rotary rig and its components. Houston, Texas: University of Texas.

Harvard

University of Texas. Petroleum Extension Service, International Association of Drilling Contractors and International Association of Drilling Contractors. (1976). The rotary rig and its components. Houston, Texas: University of Texas.

MLA

University of Texas. Petroleum Extension Service, International Association of Drilling Contractors and International Association of Drilling Contractors. The rotary rig and its components. Houston, Texas: University of Texas. 1976.