APA
American Petroleum Institute A., . (2004). Specification and laboratory tests for aviation fuel filter monitors with absorbent type elements. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 2004. Specification and laboratory tests for aviation fuel filter monitors with absorbent type elements. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (2004). Specification and laboratory tests for aviation fuel filter monitors with absorbent type elements. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Specification and laboratory tests for aviation fuel filter monitors with absorbent type elements. Washington: American Petroleum Institute, API. 2004.