Dyfyniad APA

Nguyễn,Thị Thảo. (2016). A study of language expressions used as politeness strategies in english refusal business letters. ĐHNN.

Dyfyniad Arddull Chicago

Nguyễn,Thị Thảo. A Study of Language Expressions Used As Politeness Strategies in English Refusal Business Letters. ĐHNN, 2016.

Dyfyniad MLA

Nguyễn,Thị Thảo. A Study of Language Expressions Used As Politeness Strategies in English Refusal Business Letters. ĐHNN, 2016.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.