Gaya APA
Ultimate game design : building game worlds. (2003).
New York:
[s.n.].
Gaya Chicago
Ultimate game design : building game worlds.
.
New York:
[s.n.],
2003.
Text.
Gaya MLA
Ultimate game design : building game worlds.
.
New York:
[s.n.],
2003.
Text.
Gaya Turabian
Ultimate game design : building game worlds.
New York:
[s.n.],
2003.
Print.