Gilbert, J. B. (2005). Clear speech: Student Audio CD (Tercera Edición.). Cambridge university Press.
Chicago Style (17th ed.) CitationGilbert, Judy B. Clear Speech: Student Audio CD. Tercera Edición. Cambridge: Cambridge university Press, 2005.
MLA (9th ed.) CitationGilbert, Judy B. Clear Speech: Student Audio CD. Tercera Edición. Cambridge university Press, 2005.
Warning: These citations may not always be 100% accurate.