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Dyfyniad Arddull ChicagoSchotter, A. Microeconomics: A Modern Approach. 3rd ed. Reading, MA: Addison-Wesley, 2001.
Dyfyniad MLASchotter, A. Microeconomics: A Modern Approach. 3rd ed. Addison-Wesley, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.