TY  - BOOK
AU  - O'Leary, Timothy J.,
AU  - O'Leary, Linda I.,
TI  - Computing essentials 2013: making IT work for you 
SN  - 9780077538989
PY  - 2013///]
CY  - New York
PB  - McGraw-Hill
KW  - Computers
KW  - Electronic data processing
ER  -