@book{113116,
	author = {Wellington, J. J. and Szczerbi�nski, Marcin. and ebrary, Inc.},
	title = {Research methods for the social sciences},
	publisher = {Continuum International Pub. Group,},
	year = {c2007.},
	address = {London ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10472223}
}