Murphy,, R. (2007). Essential grammar in use (3.). Cambridge University Press.
シカゴスタイル引用形Murphy,, Raymond. Essential Grammar in Use. 3. New York: Cambridge University Press, 2007.
MLA引用形式Murphy,, Raymond. Essential Grammar in Use. 3. Cambridge University Press, 2007.
警告: この引用は必ずしも正確ではありません.