Cytowanie według stylu APA (wyd. 7)

Rogerson, P., & Gilbert, J. B. (1993). Speaking clearly: Pronunciation and listening comprehension for learners of English, student's book. Cambridge University Press.

Cytowanie według stylu Chicago (wyd. 17)

Rogerson, Pamela, i Judy B. Gilbert. Speaking Clearly: Pronunciation and Listening Comprehension for Learners of English, Student's Book. Cambridge, Eng: Cambridge University Press, 1993.

Cytowanie według stylu MLA (wyd. 9)

Rogerson, Pamela, i Judy B. Gilbert. Speaking Clearly: Pronunciation and Listening Comprehension for Learners of English, Student's Book. Cambridge University Press, 1993.