@book{9267,
	author = {Grinnell, Richard M.},
	title = {Social work research and evaluation: quantitative and qualitative approaches. /},
	publisher = {F.E. Peacock Publishers,},
	year = {2001.},
	address = {Itasca, Ill.:},
	edition = {6th ed.},
	note = {Rev. ed. of: Social work research & evaluation. 5th ed. c1997.},
	url = {http://www.loc.gov/catdir/enhancements/fy1501/00135260-d.html}
}