@book{168466,
	author = {Skinner, Burrhus Frederic},
	title = {Más allá de la libertad y la dignidad},
	publisher = {Fontanella},
	year = {1973, c1972.},
	series = {Pensamiento ; no. 35},
	address = {Barcelona},
	edition = {2. ed.},
	note = {Translation of Beyond freedom and dignity.}
}