Sarah Briggs...[et al.]. (1998). The University of Michigan examination for the certificate of proficiency in English (Official past papers - Answer book with teaching notes). Oxford: Oxford Univ. Press.
シカゴスタイル引用形Sarah Briggs...[et al.]. The University of Michigan Examination for the Certificate of Proficiency in English (Official Past Papers - Answer Book With Teaching Notes). Oxford: Oxford Univ. Press, 1998.
MLA引用形式Sarah Briggs...[et al.]. The University of Michigan Examination for the Certificate of Proficiency in English (Official Past Papers - Answer Book With Teaching Notes). Oxford: Oxford Univ. Press, 1998.
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