@book{51673,
	author = {Blair, Roger D. and Lafontaine, Francine},
	title = {The economics of franchising},
	publisher = {Cambridge University Press},
	year = {2005},
	address = {Nueva York (Estados Unidos)},
	url = {http://www.loc.gov/catdir/enhancements/fy0632/2004055147-t.html}
}