Norman, S. (1988). We're in Business: English for Commercial Practice and International Trade. London: Longman.
Trích dẫn kiểu ChicagoNorman, Susan. We're in Business: English for Commercial Practice and International Trade. London: Longman, 1988.
MLA citiranjeNorman, Susan. We're in Business: English for Commercial Practice and International Trade. London: Longman, 1988.
Opozorilo: Ti citati niso vedno 100% točni.