APA Citation

Đặng Thị Thu Trang. (2012). A Study on Ways Expressing Politeness in Bad news Business Letters in English.

Trích dẫn kiểu Chicago

Đặng Thị Thu Trang. A Study On Ways Expressing Politeness in Bad News Business Letters in English. 2012.

MLA Citation

Đặng Thị Thu Trang. A Study On Ways Expressing Politeness in Bad News Business Letters in English. 2012.

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