@book{71611,
	author = {Gorman, Benjamin},
	title = {Social themes},
	publisher = {Prentice-Hall},
	year = {1971},
	series = {Prentice-Hall sociology series},
	address = {Englewood Cliffs (Nueva Jersey, Estados Unidos)},
	note = {Donación Dr. Álvaro Daza Roa.}
}