@book{97587,
	author = {Rosa Cruz, Ena Belén de la. and Pérez García, Alma Lilia.},
	title = {Los capítulos agropecuarios dentro de los tratados de libre comercio :},
	publisher = {El autor,},
	year = {2009},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/109244.pdf}
}