@book{250051,
	author = {Parkin, Michael,},
	title = {Economics /},
	publisher = {Pearson/Addison Wesley,},
	year = {c2005.},
	address = {Boston :},
	edition = {7th ed.},
	url = {http://www.loc.gov/catdir/toc/fy044/2003067212.html}
}