Murphy, R. (2001). Essential grammar in use: A self-study reference and practice book for elementary students of English,With answers. Hà Nội: Thống kê.
শিকাগো স্টাইলে সাইটেশনMurphy, Raymond. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Students of English,With Answers. Hà Nội: Thống kê, 2001.
এমএলএ সাইটেশনMurphy, Raymond. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Students of English,With Answers. Hà Nội: Thống kê, 2001.
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