Hitt Michael A. (2009). Business management and communications (6th ed.). Custom publishing.
Citazione stile Chigago Style (17a edizione)Hitt Michael A. Business Management and Communications. 6th ed. New York: Custom publishing, 2009.
Citatione MLA (9a ed.)Hitt Michael A. Business Management and Communications. 6th ed. Custom publishing, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.