APA

Frey D., . (2003). AutoCAD2005 and AutoCAD LT 2005. New York: sabex.

Chicago

Frey Daivd, . 2003. AutoCAD2005 and AutoCAD LT 2005. New York: sabex.

Harvard

Frey D., . (2003). AutoCAD2005 and AutoCAD LT 2005. New York: sabex.

MLA

Frey Daivd, . AutoCAD2005 and AutoCAD LT 2005. New York: sabex. 2003.