TY  - BOOK
AU  - O'Sullivan,Arthur
AU  - Sheffrin,Steven M.
TI  - Macroeconomics: principles and tools 
SN  - 0131536184
PY  - 2006///
CY  - Upper Saddle River, NJ
PB  - Pearson Prentice Hall
KW  - Macroeconomics
N1  - Includes bibliographical references and index
ER  -