@book{248,
	author = {Colander, David C.},
	title = {Economics /},
	publisher = {McGraw-Hill/Irwin,},
	year = {c2006.},
	address = {Boston :},
	edition = {6th ed.},
	note = {   Includes bibliographical references and index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0702/2005043868-d.html}
}