Gaya APA
Radion, K., Widiyatmoko, J.
(2009).
Ultimate Game Design
(
ed.1 cet.1)
.
Yogyakarta:
Penerbit Andi.
Gaya MLA
Radion, Kristo., Widiyatmoko, Joko.
"Ultimate Game Design".
ed.1 cet.1
Yogyakarta:
Penerbit Andi,
2009.
.