Não informado. (1922). Engineering and Mining Journal-Press. McGraw-Hill Publications.
Style de citation Chicago (17e éd.)Não informado. Engineering and Mining Journal-Press. New York: McGraw-Hill Publications, 1922.
Style de citation MLA (8e éd.)Não informado. Engineering and Mining Journal-Press. McGraw-Hill Publications, 1922.
Attention : ces citations peuvent ne pas être correctes à 100%.