(1975). Computing and computers: Correspondence texts for Units 6&7 PM 951 6&7. Open University Press.
シカゴスタイル引用形Computing and Computers: Correspondence Texts for Units 6&7 PM 951 6&7. England: Open University Press, 1975.
MLA引用形式Computing and Computers: Correspondence Texts for Units 6&7 PM 951 6&7. Open University Press, 1975.
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