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Indriani, M.I. (2001). English prononciation:the english speech sounds theory & practice/ M.I.Indriani (Cet.1). Jakarta: Gramedia Pustaka Utama.

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Indriani, M.I. English prononciation:the english speech sounds theory & practice/ M.I.Indriani. Cet.1 Jakarta: Gramedia Pustaka Utama, 2001. Text.

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Indriani, M.I. English prononciation:the english speech sounds theory & practice/ M.I.Indriani. Cet.1 Jakarta: Gramedia Pustaka Utama, 2001. Text.

Gaya Turabian

Indriani, M.I. English prononciation:the english speech sounds theory & practice/ M.I.Indriani. Cet.1 Jakarta: Gramedia Pustaka Utama, 2001. Print.