@book{6239,
	author = {Lopez Gaffney, Alberto O. and Souto, Jorge L.},
	title = {Costo como herramienta de dirección.},
	publisher = {Macchi, },
	year = {1964.},
	series = {Temas de administración},
	address = {Buenos Aires : },
	edition = {1ra.ed.}
}