TY  - BOOK
AU  - O'Sullivan,Arthur
AU  - Sheffrin,Steven M.
AU  - Perez,Stephen J.
TI  - Economics: principles and tools 
SN  - 0131479717
AV  - HB171.5 .O84 2006
PY  - 2007///
CY  - Upper Saddle River, NJ
PB  - Pearson/ Prentice Hall
KW  - Economics
N1  - Includes bibliographical references and index
ER  -