Rogerson, P. (1990). Speaking clearly: Pronunciation and listening comprehension for learners of English (Student's book). Cambridge (New York): Cambridge University Press.
Trích dẫn kiểu ChicagoRogerson, Pamela. Speaking Clearly: Pronunciation and Listening Comprehension for Learners of English (Student's Book). Cambridge (New York): Cambridge University Press, 1990.
Trích dẫn MLARogerson, Pamela. Speaking Clearly: Pronunciation and Listening Comprehension for Learners of English (Student's Book). Cambridge (New York): Cambridge University Press, 1990.
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