@book{2691,
	author = {Case, Karl E. and Fair, Ray C.},
	title = {Principles of macroeconomics. /},
	publisher = {Prentice Hall,},
	year = {2008.},
	address = {Upper Saddle River, NJ :},
	edition = {9th ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/toc/ecip0823/2008031126.html}
}