@book{521,
	author = {Casal, Armando Miguel and Wainstein, Mario},
	title = {Auditoria},
	publisher = {Ediciones Macchi},
	year = {1999},
	address = {Buenos Aires :},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/Auditoria  Wainstein, Mario (1999).jpg}
}