@book{95506,
	author = {Riquenes Rodríguez, Milagros,},
	title = {Trigonometría.},
	publisher = {Editorial Universitaria,},
	year = {2012.},
	address = {La Habana :},
	note = {Contiene índice.},
	url = {https://elibro.net/ereader/politecnicointernacional/71516}
}