@book{88231,
	author = {Coughlan, Anne T. and Anderson, Erin},
	title = {Marketing channels},
	publisher = {Pearson/Prentice Hall},
	year = {2006},
	address = {Upper Saddle River (Nueva Jersey, Estados Unidos)},
	edition = {7th ed.},
	url = {http://www.loc.gov/catdir/toc/ecip062/2005030008.html}
}