Sweeney, S. (2003). English for business communication: Teacher`s book (2nd ed.). CUP.
Citazione stile Chigago Style (17a edizione)Sweeney, Simon. English for Business Communication: Teacher`s Book. 2nd ed. Cambridge: CUP, 2003.
Citatione MLA (9a ed.)Sweeney, Simon. English for Business Communication: Teacher`s Book. 2nd ed. CUP, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.