GILBERT, J. B. (1984). Clear speech: Pronunciation and listening comprehensionin American English. Cambridge University Press.
Čikaški stil citiranja (17. izdanje)GILBERT, Judy B. Clear Speech: Pronunciation and Listening Comprehensionin American English. Cambridge: Cambridge University Press, 1984.
MLA način citiranja (9. izdanje)GILBERT, Judy B. Clear Speech: Pronunciation and Listening Comprehensionin American English. Cambridge University Press, 1984.
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