@book{1943,
	author = {Due, John Fitzgerald. and Clower, Robert W.},
	title = {Intermediate economic analysis :},
	publisher = {R. D. Irwin ,},
	year = {c1961 [Printing 1963].},
	series = {The Irwin series in economics.},
	address = {Homewood, Ill. :},
	edition = {4th ed.},
	url = {http://www.worldcat.org/title/intermediate-economic-analysis-resource-allocation-factor-pricing-and-welfare/oclc/167268&referer=brief_results}
}