Pfaffenberger, Bryan. (2002). Computers in your future / Bryan Pfaffenberger. Upper Saddle River, New Jersey :: Prentice-Hall,.
Pfaffenberger, Bryan. Computers in your future / Bryan Pfaffenberger. Upper Saddle River, New Jersey :: Prentice-Hall,, 2002
Pfaffenberger, Bryan. Computers in your future / Bryan Pfaffenberger. Upper Saddle River, New Jersey :: Prentice-Hall,, 2002.