Παραπομπή APA

Thân Trọng Hoài Trang, & Nguyễn Văn Long, P. (2013). Politeness strategies manifested in refusal in English and Vietnamese. Da Nang: University of Danang.

Παραπομπή Chicago Style

Thân Trọng Hoài Trang, και Ph.D. Nguyễn Văn Long. Politeness Strategies Manifested in Refusal in English and Vietnamese. Da Nang: University of Danang, 2013.

Παραπομπή MLA

Thân Trọng Hoài Trang, και Ph.D. Nguyễn Văn Long. Politeness Strategies Manifested in Refusal in English and Vietnamese. Da Nang: University of Danang, 2013.

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