Não informado. (1981). Energy progress. American Institute of Chemical Engineers.
Chicago-Zitierstil (17. Ausg.)Não informado. Energy Progress. New York: American Institute of Chemical Engineers, 1981.
MLA-Zitierstil (8. Ausg.)Não informado. Energy Progress. American Institute of Chemical Engineers, 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.