Grabowski, R. (1996). The illustrated AutoCAD quick reference: Release 13 for DOS (Third ed.). Albany: An International Thomson Company.
استشهاد بنمط شيكاغوGrabowski, Ralph. The Illustrated AutoCAD Quick Reference: Release 13 for DOS. Third ed. Albany: An International Thomson Company, 1996.
MLA استشهادGrabowski, Ralph. The Illustrated AutoCAD Quick Reference: Release 13 for DOS. Third ed. Albany: An International Thomson Company, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.