Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Parkin, Michael. Economics. 7th ed., international ed. Boston [etc.]: Pearson-Addison Wesley, 2005.

Cita MLA (9a ed.)

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