A.Leach James. (2004). AutoCAD 2004 Companion. American: McGraw -Hill.
Trích dẫn kiểu ChicagoA.Leach James. AutoCAD 2004 Companion. American: McGraw -Hill, 2004.
MLA引文A.Leach James. AutoCAD 2004 Companion. American: McGraw -Hill, 2004.
警告:這些引文格式不一定是100%准確.