Catherine Walter. (1992). The new Cambridge English course practice ; T3 with key ( Intermediate ). Cambridge, UK: Cambridge Univ. Press.
シカゴスタイル引用形Catherine Walter. The New Cambridge English Course Practice ; T3 With Key ( Intermediate ). Cambridge, UK: Cambridge Univ. Press, 1992.
MLA引用形式Catherine Walter. The New Cambridge English Course Practice ; T3 With Key ( Intermediate ). Cambridge, UK: Cambridge Univ. Press, 1992.
警告: この引用は必ずしも正確ではありません.