TY  - BOOK
AU  - Espartinez, Alma Santiago
TI  - Logic : the art of reasoning 7th edition 
SN  - 971-709-025-4
U1  - 160 ES62 2013 
PY  - 2013///
CY  - [s.l.] : 
PB  - Tri-Zone Printing Press, 
KW  - Logic
ER  -