@book{479792,
	author = {Pretty, Jules N. and Sage eBooks},
	title = {Environment},
	publisher = {SAGE,},
	year = {2006.},
	series = {Key issues for the 21st century series},
	address = {London :},
	url = {http://ezproxy.alfaisal.edu/login?url=http://sk.sagepub.com/navigator/environment}
}