APA citiranje

Gilbert, J. B. (1986). Clear Speech: Pronunciation and Listening Comprehension in American English, Student's Book. London: Cambridge University Press.

Trích dẫn kiểu Chicago

Gilbert, Judy B. Clear Speech: Pronunciation and Listening Comprehension in American English, Student's Book. London: Cambridge University Press, 1986.

MLA citiranje

Gilbert, Judy B. Clear Speech: Pronunciation and Listening Comprehension in American English, Student's Book. London: Cambridge University Press, 1986.