@book{181908,
	author = {Vygotskiî, Lev Semenovich and Zaporoshéts, A. V.},
	title = {Obras escogidas /},
	publisher = {Aprendizaje Visor},
	year = {c1997.},
	address = {Moscú :},
	note = {Includes bibliographical references and indexes.}
}