Não informado. (2009). Computer Animation and Virtual Worlds. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Não informado. Computer Animation and Virtual Worlds. Sussex, Inglaterra: John Wiley & Sons, 2009.
Lua MLA (8ú heag.)Não informado. Computer Animation and Virtual Worlds. John Wiley & Sons, 2009.
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