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.
MLA CitationRogerson, Pamela. Speaking Clearly: Pronunciation and Listening Comprehension for Learners of English (Student's Book). Cambridge (New York): Cambridge University Press, 1990.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.