Hoàng, T. V., & Đoàn, Q. T. (2012). English preposition and difficulties of foreign learners in using them. Hà Nội: [k.n.x.b.].
Chicago Style CitationHoàng, Thị Vân, and Quang Trung Đoàn. English Preposition and Difficulties of Foreign Learners in Using Them. Hà Nội: [k.n.x.b.], 2012.
MLA CitationHoàng, Thị Vân, and Quang Trung Đoàn. English Preposition and Difficulties of Foreign Learners in Using Them. Hà Nội: [k.n.x.b.], 2012.
Warning: These citations may not always be 100% accurate.