United States. Federal Board for Vocational Education. (1919). Drafting: Mechanical drawing, mechanism and machine design, tinsmithing, sheet-metal drafting, pattern drafting; architectural drafting; hydrographic and topographic drafting; ship drafting; patent drafting; commercial and other drafting; lettering. GPO.
Chicago Style (17th ed.) CitationUnited States. Federal Board for Vocational Education. Drafting: Mechanical Drawing, Mechanism and Machine Design, Tinsmithing, Sheet-metal Drafting, Pattern Drafting; Architectural Drafting; Hydrographic and Topographic Drafting; Ship Drafting; Patent Drafting; Commercial and Other Drafting; Lettering. [Washington]: GPO, 1919.
MLA (9th ed.) CitationUnited States. Federal Board for Vocational Education. Drafting: Mechanical Drawing, Mechanism and Machine Design, Tinsmithing, Sheet-metal Drafting, Pattern Drafting; Architectural Drafting; Hydrographic and Topographic Drafting; Ship Drafting; Patent Drafting; Commercial and Other Drafting; Lettering. GPO, 1919.