Trần, T. N. (2011). A study on Vietnamese efl learners' request strategies: Master of education program: Principles and methods in English language education. Cần Thơ: Trường Đại học Cần Thơ.
शिकागो स्टाइल उद्धरणTrần, Thanh Nga. A Study On Vietnamese Efl Learners' Request Strategies: Master of Education Program: Principles and Methods in English Language Education. Cần Thơ: Trường Đại học Cần Thơ, 2011.
एमएलए उद्धरणTrần, Thanh Nga. A Study On Vietnamese Efl Learners' Request Strategies: Master of Education Program: Principles and Methods in English Language Education. Cần Thơ: Trường Đại học Cần Thơ, 2011.
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