(1981). Alternate fuels SP-480. Warrendale, Pa. : SAE.
Cita Chicago (17th ed.)Alternate Fuels SP-480. Warrendale, Pa. : SAE, 1981.
Cita MLA (9th ed.)Alternate Fuels SP-480. Warrendale, Pa. : SAE, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.