APA (7e ed.) Bronvermelding

De Blij, H. J., & Muller, P. O. (2010). Geography: Realms, regions, and concepts (14th ed.). Wiley.

Chicago (17e ed.) Bronvermelding

De Blij, Harm J., en Peter O. Muller. Geography: Realms, Regions, and Concepts. 14th ed. Hoboken, N.J: Wiley, 2010.

MLA (9e ed.) Bronvermelding

De Blij, Harm J., en Peter O. Muller. Geography: Realms, Regions, and Concepts. 14th ed. Wiley, 2010.