Jack C. Richards. (1994). Changes A (class cassette 2). Cambridge, UK: Cambridge Univ. Press.
シカゴスタイル引用形Jack C. Richards. Changes A (class Cassette 2). Cambridge, UK: Cambridge Univ. Press, 1994.
MLA引用形式Jack C. Richards. Changes A (class Cassette 2). Cambridge, UK: Cambridge Univ. Press, 1994.
警告: この引用は必ずしも正確ではありません.