Hirschey, M. (2006). Managerial economics (Eleventh edition.). Thomson/South-Western.
Lua i Stíl Chicago (17ú heag.)Hirschey, Mark. Managerial Economics. Eleventh edition. Ason, OH: Thomson/South-Western, 2006.
Lua MLA (9ú heag.)Hirschey, Mark. Managerial Economics. Eleventh edition. Thomson/South-Western, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.