@book{21636,
	author = {Soro Russell, Olivier.},
	title = {Los contratos como fuente de normas :},
	publisher = {Editorial Reus,},
	year = {2014.},
	series = {Colección jurídica general. Monografías},
	address = {Madrid :},
	url = {https://elibro.net/ereader/politecnicointernacional/46566}
}