APA

Thompson G., Patterson R. & Sloan J. (2012). Design and development considerations for HPHT subsurface safety valves. : .

Chicago

Thompson Grant, Patterson Richard and Sloan Jim. 2012. Design and development considerations for HPHT subsurface safety valves. : .

Harvard

Thompson G., Patterson R. and Sloan J. (2012). Design and development considerations for HPHT subsurface safety valves. : .

MLA

Thompson Grant, Patterson Richard and Sloan Jim. Design and development considerations for HPHT subsurface safety valves. : . 2012.