@book{67805,
	author = {Marx, Karl, and Espinoza Pino, Marío,},
	title = {Contribución a la crítica de la economía política :},
	publisher = {Biblioteca Nueva :},
	year = {2010.},
	series = {Clásicos del pensamiento económico y social ;},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/9057/}
}