Não informado. (1922). Engineering and Mining Journal-Press. McGraw-Hill Publications.
Chicago-Zitierstil (17. Ausg.)Não informado. Engineering and Mining Journal-Press. New York: McGraw-Hill Publications, 1922.
MLA-Zitierstil (8. Ausg.)Não informado. Engineering and Mining Journal-Press. McGraw-Hill Publications, 1922.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.