Dyfyniad APA

Colorado Fuel and Iron Company & Colorado Fuel and Iron Company. Medical Dept. (1915). Industrial bulletin. The Company.

Dyfyniad Arddull Chicago

Colorado Fuel and Iron Company and Colorado Fuel and Iron Company. Medical Dept. Industrial Bulletin. Denver, Colo. ; Pueblo, Colo.: The Company, 1915.

Dyfyniad MLA

Colorado Fuel and Iron Company and Colorado Fuel and Iron Company. Medical Dept. Industrial Bulletin. The Company, 1915.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.