Não informado. (1997). Multimedia entertainment & technology report. Cowles Simba International.
Lua i Stíl Chicago (17ú heag.)Não informado. Multimedia Entertainment & Technology Report. Stanford, Conn: Cowles Simba International, 1997.
Lua MLA (8ú heag.)Não informado. Multimedia Entertainment & Technology Report. Cowles Simba International, 1997.
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