@book{821,
	author = {Appleyard, Dennis R. and Field, Alfred J.},
	title = {International economics. /},
	publisher = {McGraw-Hill/Irwin,},
	year = {[2006].},
	address = {Boston, Mass. :},
	edition = {5th ed.},
	url = {http://www.loc.gov/catdir/description/mh021/00061617.html}
}