@book{2721,
	author = {Hughes, Michael and Kroehler, Carolyn J.},
	title = {Sociology :the core. /},
	publisher = {McGraw-Hill,},
	year = {2002.},
	address = {Boston, Mass. :},
	edition = {6th ed. },
	url = {http://www.loc.gov/catdir/toc/mh031/2001034280.html}
}