Não informado. (2020). Chemical Engineering Buyers' Guide. McGraw-Hill.
Chicago (17e ed.) BronvermeldingNão informado. Chemical Engineering Buyers' Guide. New York: McGraw-Hill, 2020.
MLA (8e ed.) BronvermeldingNão informado. Chemical Engineering Buyers' Guide. McGraw-Hill, 2020.
Let op: Deze citaties zijn niet altijd 100% accuraat.