Domingo, V., & Blij, H. J. D. (1996). Guide to accompany Physical geography of the global environment (second edition.). John Wiley.

Domingo, Vernon, and Harm J De Blij. Guide to Accompany Physical Geography of the Global Environment. second edition. New York: John Wiley, 1996.

Domingo, Vernon, and Harm J De Blij. Guide to Accompany Physical Geography of the Global Environment. second edition. John Wiley, 1996.