United States. Army. Ordnance Department. (1915). Drafting room regulations and instructions concerning submission to Ordnance Office of drawings, photographs, and illustrative matter in general, also instructions for drawing, file and print rooms. GPO.
Chicago Style (17th ed.) CitationUnited States. Army. Ordnance Department. Drafting Room Regulations and Instructions Concerning Submission to Ordnance Office of Drawings, Photographs, and Illustrative Matter in General, Also Instructions for Drawing, File and Print Rooms. [Washington]: GPO, 1915.
MLA (9th ed.) CitationUnited States. Army. Ordnance Department. Drafting Room Regulations and Instructions Concerning Submission to Ordnance Office of Drawings, Photographs, and Illustrative Matter in General, Also Instructions for Drawing, File and Print Rooms. GPO, 1915.