Swan, M., & Walter, C. (1984). The Cambridge English course 1: Student's book. Cambridge: Cambridge University Press.
シカゴスタイル引用形Swan, Michael, , Catherine Walter. The Cambridge English Course 1: Student's Book. Cambridge: Cambridge University Press, 1984.
MLA引用形式Swan, Michael, , Catherine Walter. The Cambridge English Course 1: Student's Book. Cambridge: Cambridge University Press, 1984.
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