@book{11649,
	author = {Krugman, Paul R. and Obstfeld, Maurice.},
	title = {International economics :},
	publisher = {Pearson Addison-Wesley,},
	year = {c2012.},
	series = {The Pearson series in economics},
	address = {Boston :},
	edition = {9th ed.},
	note = {Rev. ed. of: International economics : theory and policy / Paul Krugman, Maurice Obstfeld. 8th ed.}
}