Norman, S. (2003). We mean business: An elementary course in business English. Student's book and workbook. TP Hồ Chí Minh.
استشهاد بنمط شيكاغوNorman, Susan. We Mean Business: An Elementary Course in Business English. Student's Book and Workbook. TP Hồ Chí Minh, 2003.
MLA استشهادNorman, Susan. We Mean Business: An Elementary Course in Business English. Student's Book and Workbook. TP Hồ Chí Minh, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.