APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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