George .O. Head, J. D. H. (1992). 1000 AutoCAD Tips & Tricks. Galgotia Publications.
Chicago Edition CitationGeorge .O. Head, Jan Doster Head. 1000 AutoCAD Tips & Tricks. Galgotia Publications, 1992.
MLA Edition CitationGeorge .O. Head, Jan Doster Head. 1000 AutoCAD Tips & Tricks. Galgotia Publications, 1992.
Warning: These citations may not always be 100% accurate.