Baillie-de Byl, P. (2004). Programming believable characters for computer games. Charles River Media.
Chicago-viite (17. p.)Baillie-de Byl, Penny. Programming Believable Characters for Computer Games. Hingham, MA: Charles River Media, 2004.
MLA-viite (9. p.)Baillie-de Byl, Penny. Programming Believable Characters for Computer Games. Charles River Media, 2004.
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