@book{102242,
	author = {Breton, Roland J. L.,  and Bas, Damiá },
	title = {Las etnias /},
	publisher = {Oikos-Tau,},
	year = {1983.},
	series = {Colección qué sé? },
	address = {Barcelona :},
	note = {Traducido del idioma ingles: "Les ethnies"}
}