TY  - BOOK
AU  - O'Sullivan,Arthur
AU  - Sheffrin, Steven M.
TI  - Economics: principles and tools 
SN  - 0131968723 (pbk.)
PY  - 2006///
CY  - Upper Saddle River
PB  - Pearson
KW  - Economics
N1  - Includes index; Includes bibliographical references
ER  -