Pham, T. X. T., & Phan, V. H. (2011). An investigation into refusal strategies to requests by American speakers of English and Vietnamese learners of English. Đà Nẵng: The University of Da Nang.
シカゴスタイル引用形Pham, Thi Xuan Thao., , Văn Hoà Phan. An Investigation Into Refusal Strategies to Requests By American Speakers of English and Vietnamese Learners of English. Đà Nẵng: The University of Da Nang, 2011.
MLA引用形式Pham, Thi Xuan Thao., , Văn Hoà Phan. An Investigation Into Refusal Strategies to Requests By American Speakers of English and Vietnamese Learners of English. Đà Nẵng: The University of Da Nang, 2011.
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