Dyfyniad APA

Leach James A. (2010). AutoCAD 2010 Instructor (McGraw-Hill Graphics). NewYork: Mc Graw-Hill.

Dyfyniad Arddull Chicago

Leach James A. AutoCAD 2010 Instructor (McGraw-Hill Graphics). NewYork: Mc Graw-Hill, 2010.

Dyfyniad MLA

Leach James A. AutoCAD 2010 Instructor (McGraw-Hill Graphics). NewYork: Mc Graw-Hill, 2010.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.