Não informado. (1952). Chemical and Process Engineering. Leonard Hill Technical Group.
Chicago (17e ed.) BronvermeldingNão informado. Chemical and Process Engineering. London: Leonard Hill Technical Group, 1952.
MLA (8e ed.) BronvermeldingNão informado. Chemical and Process Engineering. Leonard Hill Technical Group, 1952.
Let op: Deze citaties zijn niet altijd 100% accuraat.