@book{98149,
	author = {Zavala Martínez, José Mabel.},
	title = {Importancia de la logística en el comercio internacional :},
	publisher = {El autor,},
	year = {2009},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/109806.pdf}
}