Não informado. (1972). Process technology international. IPC Industrial Press.
Chicago (17e ed.) BronvermeldingNão informado. Process Technology International. London: IPC Industrial Press, 1972.
MLA (8e ed.) BronvermeldingNão informado. Process Technology International. IPC Industrial Press, 1972.
Let op: Deze citaties zijn niet altijd 100% accuraat.