@book{137410,
	author = {Pérez Chávez, José. and Fol Olguín, Raymundo,},
	title = {Manual de casos prácticos de ISR /},
	publisher = {Tax Editores Unidos,},
	year = {2020.},
	address = {México, D.F. :},
	edition = {Sexta edición.},
	url = {https://elibro.net/ereader/politecnicointernacional/128210}
}