@book{481936,
	author = {Butler, Tim, and Watt, Paul. and Sage eBooks},
	title = {Understanding social inequality},
	publisher = {SAGE,},
	year = {2007.},
	address = {London :},
	url = {http://ezproxy.alfaisal.edu/login?url=http://sk.sagepub.com/books/understanding-social-inequality}
}