Trappe, T. (2005). Intelligent Business: Coursebook. Intermediate Business English. Pearson Education Limited.
Trích dẫn kiểu ChicagoTrappe, Tonya. Intelligent Business: Coursebook. Intermediate Business English. Pearson Education Limited, 2005.
MLA引文Trappe, Tonya. Intelligent Business: Coursebook. Intermediate Business English. Pearson Education Limited, 2005.
警告:这些引文格式不一定是100%准确.