Leach, J. A. (1998). AutoCAD 14 companion. Boston: WCB/McGraw-Hill.
Trích dẫn kiểu ChicagoLeach, James A. AutoCAD 14 Companion. Boston: WCB/McGraw-Hill, 1998.
MLA引文Leach, James A. AutoCAD 14 Companion. Boston: WCB/McGraw-Hill, 1998.
警告:這些引文格式不一定是100%准確.