Roach, P. (2009). English phonetics and phonology: A practical course. New York: Cambridge University Press.
शिकागो स्टाइल उद्धरणRoach, Peter. English Phonetics and Phonology: A Practical Course. New York: Cambridge University Press, 2009.
एमएलए उद्धरणRoach, Peter. English Phonetics and Phonology: A Practical Course. New York: Cambridge University Press, 2009.
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