Não informado. (1951). Chemical Engineering Progress Symposium Series. American Institute of Chemical Engineers.
Chicago (17e ed.) BronvermeldingNão informado. Chemical Engineering Progress Symposium Series. New York: American Institute of Chemical Engineers, 1951.
MLA (8e ed.) BronvermeldingNão informado. Chemical Engineering Progress Symposium Series. American Institute of Chemical Engineers, 1951.
Let op: Deze citaties zijn niet altijd 100% accuraat.