@book{626,
	author = {Babbie, Earl R.},
	title = {The practice of social research /},
	publisher = {Wadsworth Pub. Co.,},
	year = {c1998.},
	address = {Belmont, CA :},
	edition = {8th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy1515/97025892-b.html}
}