Gaya APA

Leach, J, A. (2006). AutoCAD 2006 compain: essentials of AutoCAD plus solid modeling . New York: Mc GrawHill.

Gaya MLA

Leach, James, A.. "AutoCAD 2006 compain: essentials of AutoCAD plus solid modeling". New York: Mc GrawHill, 2006. Text.