APA

American Petroleum Institute A., . (1994). Recommended practice for the operation, maintenance and testing of firebox flame arrestors. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 1994. Recommended practice for the operation, maintenance and testing of firebox flame arrestors. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (1994). Recommended practice for the operation, maintenance and testing of firebox flame arrestors. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Recommended practice for the operation, maintenance and testing of firebox flame arrestors. Washington: American Petroleum Institute, API. 1994.