@book{212774,
	author = {Ekelund, Robert B. and Hébert, Robert F.},
	title = {A history of economic theory and method /},
	publisher = {McGraw-Hill,},
	year = {c1997.},
	address = {New York :},
	edition = {4th ed.},
	url = {http://www.loc.gov/catdir/description/mh022/96019726.html}
}