APA引文

(1977). Positive displacement downhole and motor for rotary drilling rigs installation and maintenance [slaid]. Austin, Tex. : Petroleum Extension Service, The University of Texas at Austin.

Chicago Style (17th ed.) Citation

Positive Displacement Downhole and Motor for Rotary Drilling Rigs Installation and Maintenance [slaid]. Austin, Tex. : Petroleum Extension Service, The University of Texas at Austin, 1977.

MLA引文

Positive Displacement Downhole and Motor for Rotary Drilling Rigs Installation and Maintenance [slaid]. Austin, Tex. : Petroleum Extension Service, The University of Texas at Austin, 1977.

警告：這些引文格式不一定是100％准確.