@book{222905,
	author = {Wallerstein, Immanuel Maurice, and ebrary, Inc.},
	title = {The modern world-system.},
	publisher = {University of California Press,},
	year = {c2011.},
	address = {Berkeley :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10478450}
}