Cotton David & McGrath Ann. (1985). Terms of trade: Spoken English for international business. Edward Arnold.
Citazione stile Chigago Style (17a edizione)Cotton David e McGrath Ann. Terms of Trade: Spoken English for International Business. London: Edward Arnold, 1985.
Citatione MLA (9a ed.)Cotton David e McGrath Ann. Terms of Trade: Spoken English for International Business. Edward Arnold, 1985.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.