@book{12378,
	author = {Layder, Derek.},
	title = {Understanding social theory /},
	publisher = {Sage Publications,},
	year = {c2006.},
	address = {London ;},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0657/2006274675-d.html}
}