APA ציטוט

 Frey, D. (2003).  AutoCAD 2004 and AutoCAD LT 2004: No experience required.  Sybex.

Trích dẫn kiểu Chicago

 Frey, David.  AutoCAD 2004 and AutoCAD LT 2004: No Experience Required.  Sybex, 2003.

ציטוט MLA

 Frey, David.  AutoCAD 2004 and AutoCAD LT 2004: No Experience Required.  Sybex, 2003.