Não informado. (2019). Annual Software Directory. American Institute of Chemical Engineers.
Chicago (17e ed.) BronvermeldingNão informado. Annual Software Directory. New York: American Institute of Chemical Engineers, 2019.
MLA (8e ed.) BronvermeldingNão informado. Annual Software Directory. American Institute of Chemical Engineers, 2019.
Let op: Deze citaties zijn niet altijd 100% accuraat.