@book{204157,
	author = {Zehfuss, Maja. and ebrary, Inc.},
	title = {Constructivism in international relations},
	publisher = {Cambridge University Press,},
	year = {2002.},
	series = {Cambridge studies in international relations ;},
	address = {Cambridge, UK ;},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10030937}
}