@book{64004,
	author = {Sayers, Sean. and ebrary, Inc.},
	title = {Marxism and human nature},
	publisher = {Routledge,},
	year = {1998.},
	series = {Routledge studies in social and political thought},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10054777}
}