@book{20643,
	author = {Joas, Hans, and Knöbl, Wolfgang,},
	title = {Social theory :},
	publisher = {Cambridge University Press,},
	year = {2009.},
	address = {Cambridge, UK ;},
	url = {http://www.loc.gov/catdir/enhancements/fy1002/2009015141-t.html}
}