Hirschey, M. (2006). Managerial economics (Eleventh edition.). Thomson/South-Western.
Chicago-viite (17. p.)Hirschey, Mark. Managerial Economics. Eleventh edition. Mason, OH: Thomson/South-Western, 2006.
MLA-viite (9. p.)Hirschey, Mark. Managerial Economics. Eleventh edition. Thomson/South-Western, 2006.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.