APA-referens (7:e uppl.)
ebrary, Inc, & Ezcurra, E. (1999). The Basin of Mexico: Critical environmental issues and sustainability. United Nations University Press.
Chicago-referens (17:e uppl.)
ebrary, Inc, och Exequiel Ezcurra. The Basin of Mexico: Critical Environmental Issues and Sustainability. Tokyo ; New York: United Nations University Press, 1999.
MLA-referens (9:e uppl.)
ebrary, Inc, och Exequiel Ezcurra. The Basin of Mexico: Critical Environmental Issues and Sustainability. United Nations University Press, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.