Rogerson, P. (1990). Speaking clearly: Pronunciation and listening comprehension for learners of English (Student's book). Cambridge (New York): Cambridge University Press.
Citação norma ChicagoRogerson, Pamela. Speaking Clearly: Pronunciation and Listening Comprehension for Learners of English (Student's Book). Cambridge (New York): Cambridge University Press, 1990.
Citação norma MLARogerson, Pamela. Speaking Clearly: Pronunciation and Listening Comprehension for Learners of English (Student's Book). Cambridge (New York): Cambridge University Press, 1990.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.