Gaya APA

Ray, C, G. (2004). Keepers of the spring : reclaiming our water in an age of globalization (Ed.4). New York: McGraw Hill.

Gaya MLA

Ray, C., George. "Keepers of the spring : reclaiming our water in an age of globalization". Ed.4 New York: McGraw Hill, 2004. Buku Tercetak.