@book{35287,
	author = {Bottomore, Thomas B. and Pinilla de las Heras, Esteban.},
	title = {Introducción a la sociología / },
	publisher = {Península, },
	year = {[1974]},
	series = {Historia, ciencia, sociedad ; },
	address = {Barcelona : },
	edition = {[7ª ed.].}
}