Coms, S. B., & Zirbel, J. H. (1998). Fundamentals of AutoCAD: Mechanical drafting workbook. Upper Saddle River, N. J: Prentice Hall.
Chicago Style CitationComs, Steven B., and Jay H. Zirbel. Fundamentals of AutoCAD: Mechanical Drafting Workbook. Upper Saddle River, N. J: Prentice Hall, 1998.
MLA CitationComs, Steven B., and Jay H. Zirbel. Fundamentals of AutoCAD: Mechanical Drafting Workbook. Upper Saddle River, N. J: Prentice Hall, 1998.
Warning: These citations may not always be 100% accurate.