Norman S. Susan. (1995). We 're in Business. English for Commercial Practice and International trade: Teacher`s Book. London, Longman, 1995.
Citazione stile Chigago Style (17a edizione)Norman S. Susan. We 'Re in Business. English for Commercial Practice and International Trade: Teacher`s Book. London, Longman, 1995, 1995.
Citatione MLA (9a ed.)Norman S. Susan. We 'Re in Business. English for Commercial Practice and International Trade: Teacher`s Book. London, Longman, 1995, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.