@book{60429,
	author = {Perkins, Natalie B. and ebrary, Inc.},
	title = {Exchange rates},
	publisher = {Nova Science Publishers,},
	year = {c2011.},
	series = {Economic issues, problems and perspectives},
	address = {Hauppauge, N.Y. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10681252}
}