Gaya APA

Gilbert, J, B. (2008). Clear speech : pronunciation and listening comprehension in North American English / Judy B. Gilbert (Ed. 3). Cambridge: Cambridge University Press.

Gaya MLA

Gilbert, Judy, B.. "Clear speech : pronunciation and listening comprehension in North American English / Judy B. Gilbert". Ed. 3 Cambridge: Cambridge University Press, 2008. Buku.