Não informado. (1969). Diesel and gas turbine progress worldwide. Diesel & Gas Turbine Publications.
Chicago (17e ed.) BronvermeldingNão informado. Diesel and Gas Turbine Progress Worldwide. Brookfield, Wis: Diesel & Gas Turbine Publications, 1969.
MLA (8e ed.) BronvermeldingNão informado. Diesel and Gas Turbine Progress Worldwide. Diesel & Gas Turbine Publications, 1969.
Let op: Deze citaties zijn niet altijd 100% accuraat.