@book{30271,
	author = {Valqui Cachi, Camilo.},
	title = {Karl Marx :},
	publisher = {Ediciones y Gráficos Eón ;},
	year = {2017.},
	address = {México, D.F. :},
	url = {https://elibro.net/ereader/politecnicointernacional/40976}
}