@book{482800,
	author = {Layder, Derek. and Sage eBooks},
	title = {Understanding social theory},
	publisher = {SAGE,},
	year = {c2006.},
	address = {London :},
	edition = {2nd ed.},
	note = {Previous ed.: 1994.},
	url = {http://ezproxy.alfaisal.edu/login?url=http://sk.sagepub.com/books/understanding-social-theory}
}