Gilbert, J. B., & Gilbert, J. B. (2005). Clear speech: Pronunciation and listening comprehension in North American English (3. edition.). Cambridge: Cambridge University Press.
Chicago Style CitationGilbert, Judy B., and Judy B. Gilbert. Clear Speech: Pronunciation and Listening Comprehension in North American English. 3. edition. Cambridge: Cambridge University Press, 2005.
MLA CitationGilbert, Judy B., and Judy B. Gilbert. Clear Speech: Pronunciation and Listening Comprehension in North American English. 3. edition. Cambridge: Cambridge University Press, 2005.
Warning: These citations may not always be 100% accurate.