@book{249698,
	author = {Gordon, J. C. and Berry, Joyce K. and ebrary, Inc.},
	title = {Environmental leadership equals essential leadership},
	publisher = {Yale University Press,},
	year = {c2006.},
	address = {New Haven :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10170801}
}