Não informado. (1975). Improved oil-recovery field reports. Society of Petroleum Engineers.
Chicago (17e ed.) BronvermeldingNão informado. Improved Oil-recovery Field Reports. Dallas, Tex: Society of Petroleum Engineers, 1975.
MLA (8e ed.) BronvermeldingNão informado. Improved Oil-recovery Field Reports. Society of Petroleum Engineers, 1975.
Let op: Deze citaties zijn niet altijd 100% accuraat.