Gaya APA
KOSTER, Raph. (2014).
A Theory of Fun for Game Design .
California:
OReilly Media.
Gaya Chicago
KOSTER, Raph.
A Theory of Fun for Game Design.
California:
OReilly Media,
2014.
Buku Teks.
Gaya MLA
KOSTER, Raph.
A Theory of Fun for Game Design.
California:
OReilly Media,
2014.
Buku Teks.
Gaya Turabian
KOSTER, Raph.
A Theory of Fun for Game Design.
California:
OReilly Media,
2014.
Buku Teks.