@book{200314,
	author = {Green, Samuel B. and Salkind, Neil J.},
	title = {Using SPSS for Windows and Macintosh},
	publisher = {Pearson/Prentice Hall},
	year = {c2005.},
	address = {Upper Saddle River, NJ},
	edition = {4th ed.},
	note = {ESTE LIBRO INCLUYE UN DISCO}
}