@book{30235,
	author = {Frank, Robert H. and Bernanke, Ben},
	title = {Principles of macroeconomics :},
	publisher = {McGraw-Hill Irwin,},
	year = {c2009.},
	series = {The McGraw-hill series in economics},
	address = {Boston :},
	edition = {Brief ed.},
	note = {Includes index}
}