APA
American Petroleum Institute A., . (2002). Flame arresters in piping systems. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 2002. Flame arresters in piping systems. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (2002). Flame arresters in piping systems. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Flame arresters in piping systems. Washington: American Petroleum Institute, API. 2002.