APA ציטוט

Zipprich, A. E. (1954). Freehand drafting for technical sketching (3.). D Van nostrand Company Inc.

Chicago Edition Citation

Zipprich, Anthony E. Freehand Drafting for Technical Sketching. 3. London: D Van nostrand Company Inc, 1954.

ציטוט MLA

Zipprich, Anthony E. Freehand Drafting for Technical Sketching. 3. D Van nostrand Company Inc, 1954.