Citazione Stile APA (7a Edizione)

Parkin, M., Powell, M., & Matthews, K. (2008). Economics (Seventh edition.). Addison-Wesley.

Citazione stile Chigago Style (17a edizione)

Parkin, Michael, Melanie Powell, e Kent Matthews. Economics. Seventh edition. Harlow, England ; Boston, MA: Addison-Wesley, 2008.

Citatione MLA (8a ed.)

Parkin, Michael, et al. Economics. Seventh edition. Addison-Wesley, 2008.