APA-Zitierstil (7. Ausg.)

Gilbert, J. B. (1993). Clear speech: Pronunciation and listening comprehension in North American english, student's book (2a. ed.). Cambridge University Press.

Chicago-Zitierstil (17. Ausg.)

Gilbert, Judy B. Clear Speech: Pronunciation and Listening Comprehension in North American English, Student's Book. 2a. ed. Nueva York: Cambridge University Press, 1993.

MLA-Zitierstil (9. Ausg.)

Gilbert, Judy B. Clear Speech: Pronunciation and Listening Comprehension in North American English, Student's Book. 2a. ed. Cambridge University Press, 1993.