@book{105,
	author = {Frank, Robert H. and Bernanke, Ben.},
	title = {Principles of macro-economics /},
	publisher = {McGraw-Hill/Irwin,},
	year = {2007.},
	address = {Boston:},
	edition = {3rd edition},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0661/2005054445-d.html}
}