Lua APA (7ú heag.)
De Blij, H. J., Muller, P. O., & Nijman, J. (2014). Geography: Realms, regions, and concepts (16th ed.). Wiley.
Lua i Stíl Chicago (17ú heag.)
De Blij, Harm J., Peter O. Muller, agus Jan Nijman. Geography: Realms, Regions, and Concepts. 16th ed. Hoboken, NJ: Wiley, 2014.
Lua MLA (9ú heag.)
De Blij, Harm J., et al. Geography: Realms, Regions, and Concepts. 16th ed. Wiley, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.