@book{37962,
	author = {Babbie, Earl R.},
	title = {Survey research methods /},
	publisher = {Wadsworth Pub. Co.,},
	year = {�1990.},
	address = {Belmont, Calif. :},
	edition = {2nd ed.},
	url = {http://catdir.loc.gov/catdir/enhancements/fy1104/89029866-t.html}
}