Parkin, M. (2003). Microeconomics (6th ed.). Addison-Wesley.
Cita Chicago (17th ed.)Parkin, Michael. Microeconomics. 6th ed. Boston: Addison-Wesley, 2003.
Cita MLA (9th ed.)Parkin, Michael. Microeconomics. 6th ed. Addison-Wesley, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.