O"connor, J., & Fletcher, C. (1989). Sounds English: A Pronunciation Practice Book. London: Longman.
シカゴスタイル引用形O"connor, J.d., , Clare Fletcher. Sounds English: A Pronunciation Practice Book. London: Longman, 1989.
MLA引用形式O"connor, J.d., , Clare Fletcher. Sounds English: A Pronunciation Practice Book. London: Longman, 1989.
警告: この引用は必ずしも正確ではありません.