Cita APA (7a ed.)

Parkin, M. (2005). Economics (7th ed.). Pearson/Addison Wesley.

Cita Chicago Style (17a ed.)

Parkin, Michael. Economics. 7th ed. Boston: Pearson/Addison Wesley, 2005.

Cita MLA (8a ed.)

Parkin, Michael. Economics. 7th ed. Pearson/Addison Wesley, 2005.