Zirbel, J. H., Combs, S. B., & Guha, A. (1995). Using AutoCAD: Release 13 for windows (Special ed.). Indianapolis, IN.: Que Corporation.
Παραπομπή Chicago StyleZirbel, Jay H., Steven B. Combs, and Ashim Guha. Using AutoCAD: Release 13 for Windows. Special ed. Indianapolis, IN.: Que Corporation, 1995.
Παραπομπή MLAZirbel, Jay H., Steven B. Combs, and Ashim Guha. Using AutoCAD: Release 13 for Windows. Special ed. Indianapolis, IN.: Que Corporation, 1995.
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