@book{21216,
	author = {Scarbrough, Elinor. and ebrary, Inc.},
	title = {Research strategies in the social sciences},
	publisher = {Oxford University Press,},
	year = {1998.},
	address = {Oxford [England] ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10272999}
}