Tullis G. Graham & Trappe T. Tonya. (2012). New Insights into Business: Student's Book (9th ed.). Edinburgh, Longman, 2012.
Citazione stile Chigago Style (17a edizione)Tullis G. Graham e Trappe T. Tonya. New Insights into Business: Student's Book. 9th ed. Edinburgh, Longman, 2012, 2012.
Citatione MLA (9a ed.)Tullis G. Graham e Trappe T. Tonya. New Insights into Business: Student's Book. 9th ed. Edinburgh, Longman, 2012, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.