@book{8662,
	author = {Cerroni, Umberto.},
	title = {Metodología y ciencia social},
	publisher = {Ediciones Martínez Roca},
	year = {1971},
	series = {Colección Novo curso. Biblioteca de ciencias humanas},
	address = {Barcelona},
	note = {Translation of : Metodologie e scienza sociale}
}