Dyfyniad APA

Leach, J. A., & James A. Leach. (2007). AutoCAD 2007 instructor: A student guide to complete coverage of AutoCAD's commands and features. Boston: McGraw-Hill Higher Education.

Dyfyniad Arddull Chicago

Leach, James A., và James A. Leach. AutoCAD 2007 Instructor: A Student Guide to Complete Coverage of AutoCAD's Commands and Features. Boston: McGraw-Hill Higher Education, 2007.

Dyfyniad MLA

Leach, James A., và James A. Leach. AutoCAD 2007 Instructor: A Student Guide to Complete Coverage of AutoCAD's Commands and Features. Boston: McGraw-Hill Higher Education, 2007.

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