publisher: Fondo de Cultura Economica, Mexico publish date: December 1st 2004
format: paperback pages: 63
language: Spanish
ISBN:
9681676378 (9789681676377)
publisher: Fondo de Cultura Economica USA publish date: January 1st 1990
format: hardcover pages: 77
language: Spanish
ISBN:
9681623223 (9789681623227)