Não informado. (1935). Petroleum technology. Institution of Petroleum Technologists.
Chicago (17e ed.) BronvermeldingNão informado. Petroleum Technology. London: Institution of Petroleum Technologists, 1935.
MLA (8e ed.) BronvermeldingNão informado. Petroleum Technology. Institution of Petroleum Technologists, 1935.
Let op: Deze citaties zijn niet altijd 100% accuraat.