Dyfyniad APA
ebrary, Inc, & Ezcurra, E. (1999). The Basin of Mexico: Critical environmental issues and sustainability. United Nations University Press.
Dyfyniad Arddull Chicago
ebrary, Inc, and Exequiel Ezcurra. The Basin of Mexico: Critical Environmental Issues and Sustainability. Tokyo ; New York: United Nations University Press, 1999.
Dyfyniad MLA
ebrary, Inc, and Exequiel Ezcurra. The Basin of Mexico: Critical Environmental Issues and Sustainability. United Nations University Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.