@book{12226,
	author = {Bernheim, B. Douglas. and Whinston, Michael Dennis.},
	title = {Microeconomics /},
	publisher = {McGraw-Hill Irwin,},
	year = {c2008.},
	address = {Boston :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0803/2007044523-d.html}
}