Head, G. O. (1995). AutoCAD 3D companion: The illustrated guide to autoCAD'S third dimension (2nd edition.). Ventana Communications Group.
Chicago Style (17th ed.) CitationHead, George O. AutoCAD 3D Companion: The Illustrated Guide to AutoCAD'S Third Dimension. 2nd edition. Chappel Hill, NC: Ventana Communications Group, 1995.
MLA (8th ed.) CitationHead, George O. AutoCAD 3D Companion: The Illustrated Guide to AutoCAD'S Third Dimension. 2nd edition. Ventana Communications Group, 1995.
Warning: These citations may not always be 100% accurate.