TY  - BOOK
AU  - O'Sullivan, Arthur
AU  - Sheffrin, Steven M.
TI  - Economics: principles and tools 
SN  - 0130491772
U1  - 330 
PY  - 2003///
CY  - Upper Saddle River, N.J.
PB  - Prentice Hall
KW  - Economics
N1  - Includes bibliographical references and index
ER  -