Jones, D. An Outline of english phonetics (9th ed.). Kalyani.
Lua i Stíl Chicago (17ú heag.)Jones, Daniel. An Outline of English Phonetics. 9th ed. Ludhiana: Kalyani.
Lua MLA (9ú heag.)Jones, Daniel. An Outline of English Phonetics. 9th ed. Kalyani.
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