English, S. L. (1988). Say it clearly: Exercises and activities for pronunciation and oral communication. Collier Macmillan.
Cita Chicago Style (17a ed.)English, Susan Lewis. Say It Clearly: Exercises and Activities for Pronunciation and Oral Communication. New York: Collier Macmillan, 1988.
Cita MLA (9a ed.)English, Susan Lewis. Say It Clearly: Exercises and Activities for Pronunciation and Oral Communication. Collier Macmillan, 1988.
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