Frey, D. (2006). AutoCAD® 2007 and AutoCAD LT® 2007: No experience required™. Indianapolis, IN: Wiley Publishing.
Trích dẫn kiểu ChicagoFrey, David. AutoCAD® 2007 and AutoCAD LT® 2007: No Experience Required™. Indianapolis, IN: Wiley Publishing, 2006.
MLA引文Frey, David. AutoCAD® 2007 and AutoCAD LT® 2007: No Experience Required™. Indianapolis, IN: Wiley Publishing, 2006.
警告:這些引文格式不一定是100%准確.