Thân Trọng Hoài Trang, & Nguyễn Văn Long, P. (2013). Politeness strategies manifested in refusal in English and Vietnamese. Da Nang: University of Danang.
استشهاد بنمط شيكاغوThân Trọng Hoài Trang, و Ph.D. Nguyễn Văn Long. Politeness Strategies Manifested in Refusal in English and Vietnamese. Da Nang: University of Danang, 2013.
MLA استشهادThân Trọng Hoài Trang, و Ph.D. Nguyễn Văn Long. Politeness Strategies Manifested in Refusal in English and Vietnamese. Da Nang: University of Danang, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.