Não informado. (1961). Hidrocarbon Processing and Petroleum Refiner. Gulf Publishing.
Chicago (17e ed.) BronvermeldingNão informado. Hidrocarbon Processing and Petroleum Refiner. Houston, Tex: Gulf Publishing, 1961.
MLA (8e ed.) BronvermeldingNão informado. Hidrocarbon Processing and Petroleum Refiner. Gulf Publishing, 1961.
Let op: Deze citaties zijn niet altijd 100% accuraat.