@book{197485,
	author = {Klein, Josephine, and ebrary, Inc.},
	title = {The study of groups},
	publisher = {Routledge,},
	year = {1998, c1956.},
	series = {International library of sociology. Sociology of behaviour and psychology ;},
	address = {London :},
	note = {"First published in 1956 by Routledge and Kegan Paul, Ltd".},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=2003458}
}