By Pérez López, César..
México Alfaomega 2004 .
xii, 551 p. , Includes index. | Originally published by Ra-Ma, Madrid, Spain. 23 cm..
9701510321

By Pascual González, Francisco..
México Alfaomega Group Editor 2006 .
xx, 279 p. , Includes index. CD-ROM disponible en el libro. 23 cm..
9701512006

By González Mangas, Antonia..
Madrid McGraw-Hill 2003 .
xv, 264 p. , Includes index. 24 cm..
9701047664

By Pascual González, Francisco..
México Alfaomega Group Editor 2006 .
xx, 279 p. , Includes index. 23 cm..
9701512006