Nguyễn, Thị Thu Thủy Verbal greetings a cross-cultural study - Ho Chi Minh City University of Social sciences and Humanities (National University of Ho Chi Minh City) 2006 - 207 p. 30 cm LV 135 Subjects--Topical Terms: Ngôn ngữ nói ; Tiếng Anh Dewey Class. No.: 428.3 / V477