By Priemer De Marcalain, Nélida.
Jujuy: [s.n.], 1997

By Greenberg, Michael D..
EE.UU : Prentice Hall, 1988 013.0105058

By Spiegel, Murray R..
México : McGraw-Hill, 2000 .
318 p. : 23 cm.
968422883X

By Fuster, R..
Barcelona : Reverte, 1995 .
320 p. : 21 cm.
8429150323

By Wunsch, David A..
México D.F. : Pearson Educación, 1999 .
660 p. : 23 cm.
9684444028

By Lopez Gomez, Julián.
Madrid : MacGraw-Hill, 2001 84-205-3101-4