APA
American Petroleum Institute A., . (2002). Measurement of liquid hydrocarbons by ultrasonic flowmeters using transit time technology. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 2002. Measurement of liquid hydrocarbons by ultrasonic flowmeters using transit time technology. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (2002). Measurement of liquid hydrocarbons by ultrasonic flowmeters using transit time technology. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Measurement of liquid hydrocarbons by ultrasonic flowmeters using transit time technology. Washington: American Petroleum Institute, API. 2002.