TY  - GEN
AU  - MCCONNELL, C. R.
AU  - BRUE, S. L.
TI  - Microeconomics: Principle, Problems, and Policies 
SN  - 978-0-07-725069-0
U1  - 330 MCC 
PY  - 2008///
CY  - New York
PB  - Mc Graw-Hill
ER  -