TY  - BOOK
AU  - Shelly,Gary B.
AU  - Cashman,Thomas J.
AU  - Vermaat,Misty E.
TI  - Essential introduction to computers: and how to purchase a personal computer 
SN  - 1423912357
PY  - 2009///
CY  - Cambridge, Mass
PB  - Course Technology
KW  - Computers
ER  -