TY  - BOOK
AU  - O'Sullivan,Arthur
AU  - Sheffrin,Steven M.
AU  - Perez,Stephen J.
TI  - Economics: principles, applications, and tools 
SN  - 9780132722001 (International edition)
PY  - 2012///
CY  - Boston
PB  - Pearson Prentice Hall
KW  - Economics
N1  - Includes index
ER  -