TY  - BOOK
AU  - Shelly Gary B. 
AU  - Misty E. Vermaat
TI  - Discovering computers 2009
SN  - 9781423911968
AV  - QA76.5.S4 2008 
PY  - 2008///
CY  - Australia
PB  - Course Technology Cengage Learning
ER  -