Martin, C., & Campbell, B. (1997). Teach yourself VRML2 in 21 days. Techmedia.
シカゴスタイル引用形Martin, Chris, , Bruce Campbell. Teach Yourself VRML2 in 21 Days. New Delhi: Techmedia, 1997.
MLA引用形式Martin, Chris, , Bruce Campbell. Teach Yourself VRML2 in 21 Days. Techmedia, 1997.
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