Não informado. (1947). Chemical Engineering Progress. American Institute of Chemical Engineers.
Chicago-viite (17. p.)Não informado. Chemical Engineering Progress. New York: American Institute of Chemical Engineers, 1947.
MLA-viite (8. p.)Não informado. Chemical Engineering Progress. American Institute of Chemical Engineers, 1947.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.