Baillie-de Byl, P. (2004). Programming believable characters for computer games. Charles River media.
Cita Chicago (17th ed.)Baillie-de Byl, Penny. Programming Believable Characters for Computer Games. Hingham, Massachusetts: Charles River media, 2004.
Cita MLA (9th ed.)Baillie-de Byl, Penny. Programming Believable Characters for Computer Games. Charles River media, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.