@book{211805,
	author = {Betts, Richard M. and Ely, Silas J.},
	title = {Basic real estate appraisal},
	publisher = {Thomson South-Western},
	year = {c2008.},
	address = {Mason, OH},
	edition = {7th ed.},
	note = {ESTE LIBRO INCLUYE UN DISCO}
}