Doff, A., & Jones, C. (1994). Language in use: Intermediate : teacher's book. Cambridge: Cambridge U. P..
シカゴスタイル引用形Doff, Adrian, , Christopher Jones. Language in Use: Intermediate : Teacher's Book. Cambridge: Cambridge U. P., 1994.
MLA引用形式Doff, Adrian, , Christopher Jones. Language in Use: Intermediate : Teacher's Book. Cambridge: Cambridge U. P., 1994.
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