@book{199539,
	author = {Prieto Herrera, Jorge Eliécer.},
	title = {Las ventas},
	publisher = {Ecoe Ediciones},
	year = {c2005.},
	series = {Colección Textos Universitarios ECOE Ediciones.},
	address = {Bogotá},
	edition = {3a ed.}
}