@book{3400,
	author = {Canales Cerón, Manuel},
	title = {Metodologías de la investigación social /},
	publisher = {Lom Ediciones, },
	year = {2006.},
	address = {Santiago :},
	url = {https://imaginariosyrepresentaciones.files.wordpress.com/2015/08/canales-ceron-manuel-metodologias-de-la-investigacion-social.pdf}
}