@book{1681,
	author = {Mankiw, N. Gregory. and Kneebone, Ronald D.},
	title = {Principles of microeconomics /},
	publisher = {Nelson Education Ltd.,},
	year = {c2011.},
	address = {Toronto, Ontario :},
	edition = {5th Canadian ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1215/2008935333-d.html}
}