Parkin, M. (2008). Microeconomics (8th ed.). Pearson Addison-Wesley.
Cita Chicago (17th ed.)Parkin, Michael. Microeconomics. 8th ed. Boston: Pearson Addison-Wesley, 2008.
Cita MLA (9th ed.)Parkin, Michael. Microeconomics. 8th ed. Pearson Addison-Wesley, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.