Nguyễn, Ngọc Tâm Cross-cuturalpragmatics: Refusals of requests by American speakers of English and Vietnamese speakers of English - Ho Chi Minh City University of Social sciences and Humanities (National University of Ho Chi Minh City) 2010 - 109 p. 30 cm. LV 227 Subjects--Topical Terms: Tiếng Anh--Phương pháp giảng dạy Dewey Class. No.: 428.3 / C951