Nantz, K. (2002). Instructor's manual and test item file for Managerial Economics (5th ed.). Norton.
Lua i Stíl Chicago (17ú heag.)Nantz, Kathryn. Instructor's Manual and Test Item File for Managerial Economics. 5th ed. New York ; London: Norton, 2002.
Lua MLA (8ú heag.)Nantz, Kathryn. Instructor's Manual and Test Item File for Managerial Economics. 5th ed. Norton, 2002.
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