@book{197373,
	author = {Pugel, Thomas A.},
	title = {International economics},
	publisher = {McGraw-Hill/Irwin},
	year = {c2004.},
	address = {Boston},
	edition = {12th ed.},
	url = {http://www.loc.gov/catdir/description/mh031/2002044914.html}
}