@book{702,
	author = {Rubin, Allen. and Babbie, Earl R.},
	title = {Research methods for social work /},
	publisher = {Wadsworth/Thomson Learning,},
	year = {c2001.},
	address = {Australia ;},
	edition = {4th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy1515/00032466-b.html}
}