English, S. L. (1988). Say it clearly: Exercises and activities for pronunciation and oral communication. Collier Macmillan.
Chicagoスタイル(17版)引用形式English, Susan Lewis. Say It Clearly: Exercises and Activities for Pronunciation and Oral Communication. New York: Collier Macmillan, 1988.
MLA(9版)引用形式English, Susan Lewis. Say It Clearly: Exercises and Activities for Pronunciation and Oral Communication. Collier Macmillan, 1988.
警告: この引用は必ずしも正確ではありません.