Hirschey, M. (1996). Managerial economics. The Dryden.
Tohutoru Kātū Chicago (17th ed.)Hirschey, Mark. Managerial Economics. New York: The Dryden, 1996.
Tohutoro MLA (9th ed.)Hirschey, Mark. Managerial Economics. The Dryden, 1996.
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