(2001). Cambridge certificate of proficiency in English ( Teacher's book ). Cambridge, UK: Cambridge Univ. Press.
シカゴスタイル引用形Cambridge Certificate of Proficiency in English ( Teacher's Book ). Cambridge, UK: Cambridge Univ. Press, 2001.
MLA引用形式Cambridge Certificate of Proficiency in English ( Teacher's Book ). Cambridge, UK: Cambridge Univ. Press, 2001.
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