@book{28975,
	author = {Watzlawick, Paul  and Weakland, John H. },
	title = {Cambio : },
	publisher = {Herder, },
	year = {1992},
	series = {Biblioteca de psicología ; },
	address = {Barcelona : },
	edition = {7a ed.},
	note = {Título original: Change}
}