@book{30289,
	author = {Zorrilla Arena, Santiago. and Torres Xammar, Miguel.},
	title = {Guía para elaborar la tesis /},
	publisher = {McGraw Hill Interamericana,},
	year = {1992.},
	address = {México :},
	edition = {2a ed.},
	note = {Incluye indice y apéndices.}
}