Knowles, G. (1987). Patterns of spoken english : an introduc-: Tion to english phonetics. Longman.
Čikaški stil citiranja (17. izdanje)Knowles, Gerald. Patterns of Spoken English : An Introduc-: Tion to English Phonetics. London: Longman, 1987.
MLA način citiranja (9. izdanje)Knowles, Gerald. Patterns of Spoken English : An Introduc-: Tion to English Phonetics. Longman, 1987.
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