@book{88223,
	author = {Laureano, Raul M. S. and Botelho, Maria do Carmo},
	title = {SPSS},
	publisher = {Sílabo},
	year = {2012},
	address = {Lisboa},
	edition = {2.ed. rev. atual.},
	note = {Leitura interna [ex.1]}
}