Gilbert, J. B. (1986). Clear Speech: Pronunciation and Listening Comprehension in American English, Student"s Book. New York: Cambridge University Press.
Chicago-stil citatGilbert, Judy B. Clear Speech: Pronunciation and Listening Comprehension in American English, Student"s Book. New York: Cambridge University Press, 1986.
MLA-referensGilbert, Judy B. Clear Speech: Pronunciation and Listening Comprehension in American English, Student"s Book. New York: Cambridge University Press, 1986.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.