APA استشهاد

Rogerson, P., & Gilbert, J. B. (1990). Speaking Clearly: Pronunciation and Listening Comprehension for Learners of English. Cambridge: Cambridge University.

استشهاد بنمط شيكاغو

Rogerson, Pamela, و Judy B. Gilbert. Speaking Clearly: Pronunciation and Listening Comprehension for Learners of English. Cambridge: Cambridge University, 1990.

MLA استشهاد

Rogerson, Pamela, و Judy B. Gilbert. Speaking Clearly: Pronunciation and Listening Comprehension for Learners of English. Cambridge: Cambridge University, 1990.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.