@book{850,
	author = {Miller, Delbert Charles,},
	title = {Handbook of research design and social measurement /},
	publisher = {Sage Publications,},
	year = {c1991.},
	address = {Newbury Park, Calif. :},
	edition = {5th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0655/91015047-d.html}
}