Richards, J. C. (1995). Changes: English for international communication. Cambridge: Cambridge University Press.
シカゴスタイル引用形Richards, Jack C. Changes: English for International Communication. Cambridge: Cambridge University Press, 1995.
MLA引用形式Richards, Jack C. Changes: English for International Communication. Cambridge: Cambridge University Press, 1995.
警告: この引用は必ずしも正確ではありません.