Hirschey Mark. (2009). Managerial economics (12th ed.). South-Western Cengage Learning.
Citazione stile Chigago Style (17a edizione)Hirschey Mark. Managerial Economics. 12th ed. Australia: South-Western Cengage Learning, 2009.
Citatione MLA (9a ed.)Hirschey Mark. Managerial Economics. 12th ed. South-Western Cengage Learning, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.