Não informado. (2019). Annual Software Directory. American Institute of Chemical Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Annual Software Directory. New York: American Institute of Chemical Engineers, 2019.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Annual Software Directory. American Institute of Chemical Engineers, 2019.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.