Mai, T. T. H. (2010). An investigation into the pronunciation of the fricatives /θ/ and /ð/ experienced by the students at Thai Phien high school - problems and solutions. Đà Nẵng: Đại học Đà Nẵng.
शिकागो स्टाइल उद्धरणMai, Thị Thanh Hằng. An Investigation Into the Pronunciation of the Fricatives /θ/ and /ð/ Experienced By the Students At Thai Phien High School - Problems and Solutions. Đà Nẵng: Đại học Đà Nẵng, 2010.
एमएलए उद्धरणMai, Thị Thanh Hằng. An Investigation Into the Pronunciation of the Fricatives /θ/ and /ð/ Experienced By the Students At Thai Phien High School - Problems and Solutions. Đà Nẵng: Đại học Đà Nẵng, 2010.
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