Não informado. (1956). Chemical Engineer. Institution of Chemical Engineers.
Chicago-Zitierstil (17. Ausg.)Não informado. Chemical Engineer. London: Institution of Chemical Engineers, 1956.
MLA-Zitierstil (8. Ausg.)Não informado. Chemical Engineer. Institution of Chemical Engineers, 1956.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.