MURPHY, R. (1990). Essential grammar in use: A self-study reference andpractice book for elementary students of english. Cambridge University Press.
Chicago-viite (17. p.)MURPHY, Raymond. Essential Grammar in Use: A Self-study Reference Andpractice Book for Elementary Students of English. Cambridge: Cambridge University Press, 1990.
MLA-viite (9. p.)MURPHY, Raymond. Essential Grammar in Use: A Self-study Reference Andpractice Book for Elementary Students of English. Cambridge University Press, 1990.
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