APA ציטוט

Nguyễn Thanh Ngọc. (2015). An investigation into the use of refusals in business correspondence in english.

Trích dẫn kiểu Chicago

Nguyễn Thanh Ngọc. An Investigation Into the Use of Refusals in Business Correspondence in English. 2015.

ציטוט MLA

Nguyễn Thanh Ngọc. An Investigation Into the Use of Refusals in Business Correspondence in English. 2015.