Combs, S. B., & Zirbel, J. H. (1998). Fundamentals of AutoCAD. Prentice Hall.
Chicago Style (17th ed.) CitationCombs, Steven B., and Jay H. Zirbel. Fundamentals of AutoCAD. Upper Saddle River, N.J: Prentice Hall, 1998.
MLA (8th ed.) CitationCombs, Steven B., and Jay H. Zirbel. Fundamentals of AutoCAD. Prentice Hall, 1998.
Warning: These citations may not always be 100% accurate.