@book{133129,
	author = {Perego, Luigi. and Riccardo, Riccardi},
	title = {La valoración del personal},
	publisher = {Editorial Hispano Europea},
	year = {c1977.},
	series = {Tœcnicas de dirección de personal},
	address = {Barcelona},
	note = {Translation of : La valutazione del personale.}
}