@book{45659,
	author = {Cardoso, Ciro Flamarion Santana},
	title = {Introducción al trabajo de la investigación histórica :},
	publisher = {Crítica,},
	year = {1985.},
	address = {Barcelona :},
	edition = {3a. ed.},
	url = {https://drive.google.com/file/d/1hVvlVchMsly7euGr8j950lhQXbRES6YD/view?usp=sharing}
}