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引文George .O. Head, Jan Doster Head. 1000 AutoCAD Tips & Tricks. Galgotia Publications, 1992.
警告:這些引文格式不一定是100%准確.