TY  - BOOK
AU  - O'Sullivan,Arthur
AU  - Sheffrin,Steven M.
AU  - Perez,Stephen J.
TI  - Economics: principles, applications, and tools 
SN  - 9780132722001
AV  - HB171.5 .O78 2012
PY  - 2012///
CY  - Upper Saddle River, NJ
PB  - Pearson Prentice Hall
KW  - Economics
N1  - Includes bibliographical references and index
ER  -