TY  - GEN
AU  - O'SULLIVAN, A.
AU  - SHEFFRIN, S. M.
TI  -  Economics: Principles and Tools
SN  - 0-13-018982-0
U1  - 338.5 O'SU 
PY  - 2001///
CY  - New Delhi
PB  -  Prentice Hall
ER  -