@book{50393,
	author = {Watzlawick, Paul and Weakland, John},
	title = {Cambio :},
	publisher = {Editorial Herder,},
	year = {1985},
	series = {Colección Biblioteca de Psicología, },
	address = {Barcelona, España :},
	edition = {4 edición},
	note = {Incluye prólogo, prefacio e índice  }
}