Peter Roach. (1998). Ngữ âm - âm vị học: = English phonetics and phonology (A pratical course). Tp. HCM: Trẻ.
शिकागो स्टाइल उद्धरणPeter Roach. Ngữ Âm - Âm Vị Học: = English Phonetics and Phonology (A Pratical Course). Tp. HCM: Trẻ, 1998.
एमएलए उद्धरणPeter Roach. Ngữ Âm - Âm Vị Học: = English Phonetics and Phonology (A Pratical Course). Tp. HCM: Trẻ, 1998.
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