Hirschey, M. (2009). Managerial Economics (12th.). Cengage Learning.
Cita Chicago (17th ed.)Hirschey, Mark. Managerial Economics. 12th. New Delhi: Cengage Learning, 2009.
Cita MLA (9th ed.)Hirschey, Mark. Managerial Economics. 12th. Cengage Learning, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.