@book{27947,
	author = {Ferguson, William D., and ebrary, Inc.},
	title = {Collective action and exchange},
	publisher = {Stanford Economics and Finance, an imprint of Stanford University Press,},
	year = {2013.},
	address = {Stanford, California :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10718274}
}