Hirschey Mark. (2009). Managerial Economics. Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Hirschey Mark. Managerial Economics. New Delhi: Cengage Learning, 2009.
Lua MLA (9ú heag.)Hirschey Mark. Managerial Economics. Cengage Learning, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.