@book{220239,
	author = {Pérez Castillo, David and Muñoz Rodríguez, Manrrubio},
	title = {Análisis de tres redes de valor del sector agroalimentario orgánico en México},
	publisher = {El autor,},
	year = {2010},
	address = {Chapingo, México :},
	url = {http://10.13.5.2/tesis/112971.pdf}
}