Dyfyniad APA
Pappas, J. L., & Hirschey, M. (1990). Managerial economics (6th ed.). Dryden Press.
Dyfyniad Arddull Chicago
Pappas, James L., and Mark Hirschey. Managerial Economics. 6th ed. Chicago: Dryden Press, 1990.
Dyfyniad MLA
Pappas, James L., and Mark Hirschey. Managerial Economics. 6th ed. Dryden Press, 1990.
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