Keat, P. G., & Young, P. K. Y. (2006). Managerial economics: Economic tools for today's decision makers (5th ed.). Pearson Prentice Hall ; Dorling Kindersley.
Lua i Stíl Chicago (17ú heag.)Keat, Paul G., agus Philip K. Y. Young. Managerial Economics: Economic Tools for Today's Decision Makers. 5th ed. Upper Saddle River, N.J. : New Delhi: Pearson Prentice Hall ; Dorling Kindersley, 2006.
Lua MLA (8ú heag.)Keat, Paul G., agus Philip K. Y. Young. Managerial Economics: Economic Tools for Today's Decision Makers. 5th ed. Pearson Prentice Hall ; Dorling Kindersley, 2006.
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