TY  - BOOK
AU  - Hall,Robert Ernest
AU  - Lieberman,Marc
TI  - Economics: principles & applications 
SN  - 9781439038963
AV  - HB171.5.H274 2010 
PY  - 2010///
CY  - Mason, OH
PB  - South-Western Cengage Learning
KW  - Economics
ER  -