Anh ngữ cho thương mại thực hành và ngoại thương = We're in business: English for commercial practice and international trade

od Norman, Susan
Wydane 1993

We mean business : An elementary course in business English

od Norman, Susan
Wydane 1992

We Mean Business : An Elementary Course in Business English /

od Norman, Susan
Wydane 1992

We're in Business English for Commercial Practice and International Trade. Student's Book &Workbook /

od Norman, Susan
Wydane 1988

We're in business /

od Norman Susan
Wydane 2000