Gaya APA
Widada, . (2014).
3 in 1 Rancang Bangun; Google SketchUp, Autocad, & MapInfo .
Yogyakarta:
PT. Elex Media Komputindo.
Gaya MLA
Widada, .
"3 in 1 Rancang Bangun; Google SketchUp, Autocad, & MapInfo".
Yogyakarta:
PT. Elex Media Komputindo,
2014.
Text.