@book{137169,
	author = {World Research Institute, WRI},
	title = {Sitio Web Institucional},
	publisher = {World Research Institute, WRI},
	year = {2002},
	address = {Washington},
	note = {Sitio Web visitado en julio de 2002. ; Navegadores de Internet},
	url = {http://www.wri.org/wri/index.html}
}