@book{4733,
	title = {Social work research :},
	publisher = {University of Chicago Press},
	year = {1975. },
	address = {Chicago},
	edition = {Rev. ed.},
	url = {http://firstsearch.oclc.org/WebZ/DECRead?standardNoType=1&standardNo=0226672190&sessionid=0&srcdbname=worldcat&key=35e346c08eb93134295ad1763d8268c9b451503a2d66106f88ccb0ec6129935c&ectype=M OREINFO}
}