@book{192224,
	author = {Johnston, Mark W. and Ford, Neil M.},
	title = {Churchill/Ford/Walker's sales force management},
	publisher = {McGraw-Hill/Irwin},
	year = {2003.},
	series = {McGraw-Hill/ Irwin series in marketing.},
	address = {Boston},
	edition = {7th ed.},
	note = {ESTE LIBRO INCLUYE UN DISCO}
}