Michael Swan. (1992). The new Cambridge English course 4 student cassette ( Upper-intermediate ). Cambridge, UK: Cambridge Univ. Press.
シカゴスタイル引用形Michael Swan. The New Cambridge English Course 4 Student Cassette ( Upper-intermediate ). Cambridge, UK: Cambridge Univ. Press, 1992.
MLA引用形式Michael Swan. The New Cambridge English Course 4 Student Cassette ( Upper-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.