Hanna, M. S., & Wilson, G. L. (1988). Communicating in business and professional settings (2nd ed.). Random House.
Citazione stile Chigago Style (17a edizione)Hanna, Michael S.., e Gerald L. Wilson. Communicating in Business and Professional Settings. 2nd ed. New York: Random House, 1988.
Citatione MLA (9a ed.)Hanna, Michael S.., e Gerald L. Wilson. Communicating in Business and Professional Settings. 2nd ed. Random House, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.