Hoàng Thị Thanh Trinh. (2004). An investigation into politeness in letters of invitation composed by American and Vietnamese.
Trích dẫn kiểu ChicagoHoàng Thị Thanh Trinh. An Investigation Into Politeness in Letters of Invitation Composed By American and Vietnamese. 2004.
MLA引文Hoàng Thị Thanh Trinh. An Investigation Into Politeness in Letters of Invitation Composed By American and Vietnamese. 2004.
警告：这些引文格式不一定是100％准确.