COMBS. (1998). Fundamentals of AutoCAD mechanical drafting workbook: Steven B. Combs, Jay . Zirbel. New Jersey: Prentice Hall.
Chicago Style CitationCOMBS. Fundamentals of AutoCAD Mechanical Drafting Workbook: Steven B. Combs, Jay . Zirbel. New Jersey: Prentice Hall, 1998.
MLA CitationCOMBS. Fundamentals of AutoCAD Mechanical Drafting Workbook: Steven B. Combs, Jay . Zirbel. New Jersey: Prentice Hall, 1998.
Warning: These citations may not always be 100% accurate.