@book{123003,
	author = {Winters, L. Alan. and Wells, Sidney J. and ebrary, Inc.},
	title = {International economics},
	publisher = {Routledge,},
	year = {1998, c1991.},
	address = {London :},
	edition = {4th ed.},
	note = {4th ed. first published 1991 by Harper Collins Academic.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=2004186}
}