@book{8727,
	author = {Galtung, Johan,},
	title = {Teoría y métodos de la investigación social},
	publisher = {EUDEBA},
	year = {1971},
	series = {Ediciones previas/Sociología},
	address = {Buenos Aires},
	edition = {3. ed.},
	note = {Translation of : Theory and methods of social research}
}