(2002). Cambridge certificate of proficiency in English ( Student's book with answers ). Cambridge, UK: Cambridge Univ. Press.
シカゴスタイル引用形Cambridge Certificate of Proficiency in English ( Student's Book With Answers ). Cambridge, UK: Cambridge Univ. Press, 2002.
MLA引用形式Cambridge Certificate of Proficiency in English ( Student's Book With Answers ). Cambridge, UK: Cambridge Univ. Press, 2002.
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