Murphy, R. (2007). Essential grammar in use: A self-study reference and practice book for elementary students of English (with answers). Cambridge: Cambridge University Press.
シカゴスタイル引用形Murphy, Raymond. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Students of English (with Answers). Cambridge: Cambridge University Press, 2007.
MLA引用形式Murphy, Raymond. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Students of English (with Answers). Cambridge: Cambridge University Press, 2007.
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