@book{81158,
	author = {Fuenlabrada de la Vega Trucíos, Samuel and Fuenlabrada Velázquez, Irma, },
	title = {Geometría y trigonometría },
	publisher = {Mc Graw-Hill Interamericana,},
	year = {2003.},
	address = {México :},
	edition = {2a ed.}
}