@book{7620,
	author = {Lerma Kirchner, Alejandro Eugenio and Márquez Castro, Enrique},
	title = {Comercio y marketing internacional / },
	publisher = {Gengage Learning, },
	year = {2010},
	address = {México, D.F., México :},
	edition = {Cuarta edición },
	note = {Incluye índice}
}