@book{815,
	author = {Lipsey, Richard G. and Courant, Paul N.},
	title = {Economics /},
	publisher = {HarperCollins College Publishers,},
	year = {c1996.},
	series = {The HarperCollins series in economics.},
	address = {New York :},
	edition = {11th ed.},
	note = {Includes index.}
}