Rogerson, P., & Gilbert, J. B. (1993). Speaking clearly: Pronunciation and listening comprehension for learners of English, student's book. Cambridge University Press.
Цитирование в стиле Чикаго (17-е изд.)Rogerson, Pamela, и Judy B. Gilbert. Speaking Clearly: Pronunciation and Listening Comprehension for Learners of English, Student's Book. Cambridge, Eng: Cambridge University Press, 1993.
Цитирование MLA (9-е изд.)Rogerson, Pamela, и Judy B. Gilbert. Speaking Clearly: Pronunciation and Listening Comprehension for Learners of English, Student's Book. Cambridge University Press, 1993.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.