Gaya APA

CAD series Google SketchUp. (2015). : Andi.

Gaya Chicago

CAD series Google SketchUp. 1. : Andi, 2015. Text.

Gaya MLA

CAD series Google SketchUp. 1. : Andi, 2015. Text.

Gaya Turabian

CAD series Google SketchUp. : Andi, 2015. Print.