@book{1850,
	author = {Borda, Guillermo Julio and Borda, Guillermo A.},
	title = {Manual de derecho civil},
	publisher = {Abeledo Perrot},
	year = {2004},
	address = {Buenos Aires :},
	edition = {21a. ed.},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/Manual de Derecho Civil-l87752.jpg}
}