TY  - GEN
AU  - O'Sullivan, Arthur.
AU  - Sheffrin Steven M
TI  - Economics: principles and tools 
SN  - 0131968726
AV  - HB171.5 
PY  - 2006///
CY  - Upper Saddle River, N.J.
PB  - Pearson Prentice Hall
KW  - Economics
N1  - Previous ed.: c2003; "International ed."; Includes bibliographical references and index
ER  -