Indriani. (2001). ENGLISH PRONUNCIATION The English Speech Sounds Theory & Practice. Gramedia.
Lua i Stíl Chicago (17ú heag.)Indriani. ENGLISH PRONUNCIATION The English Speech Sounds Theory & Practice. Gramedia, 2001.
Lua MLA (8ú heag.)Indriani. ENGLISH PRONUNCIATION The English Speech Sounds Theory & Practice. Gramedia, 2001.
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