APA-viite (7. p.)

De Blij, H. J., & Muller, P. O. (1994). Geography: Realms, regions, and concepts (7th ed.). Wiley.

Chicago-viite (17. p.)

De Blij, Harm J., ja Peter O. Muller. Geography: Realms, Regions, and Concepts. 7th ed. New York: Wiley, 1994.

MLA-viite (9. p.)

De Blij, Harm J., ja Peter O. Muller. Geography: Realms, Regions, and Concepts. 7th ed. Wiley, 1994.