By Kuhn, Hans.
México Cengage Learning 2012 .
xxxi,1031p. , CD-ROM disponible en el libro. 26 cm..
9780470089644 (cd) | 0470089644 (cd)

By Zumdahl, Steven S..
México Cengage Learning Editores 2012 .
xxiii, various pagings , Includes index. | Translation of: Introductory chemistry c 2011. 27 cm..
9786074818086