@book{3016,
	author = {Hoekstra, Arjen Y.,},
	title = {The water footprint assessment manual :},
	publisher = {Earthscan,},
	year = {2011.},
	address = {London ;},
	url = {http://www.loc.gov/catdir/enhancements/fy1111/2010047901-b.html}
}