Trích dẫn APA

Gutjahr, L. (2009). English for sales and purchasing: Express series. Anh: Oxford University.

Trích dẫn kiểu Chicago

Gutjahr, Lothar. English for Sales and Purchasing: Express Series. Anh: Oxford University, 2009.

MLA Trích dẫn

Gutjahr, Lothar. English for Sales and Purchasing: Express Series. Anh: Oxford University, 2009.

Warning: These citations may not always be 100% accurate.