@book{49298,
	author = {Samuelson, William. and Marks, Stephen G.},
	title = {Managerial economics /},
	publisher = {John Wiley and Sons,},
	year = {c2006},
	address = {Hoboken, NJ :},
	edition = {5th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0645/2006271494-d.html}
}