TY  - GEN
AU  - O'Sullivan, A.
AU  - Steven M.Sheffrin and Stephen J.Perez
TI  - Microeconomics: : principles and tools
SN  - 9780132555517
PY  - 2012///
CY  - New York
PB  - Prentice Hall
KW  - Microeconomics
ER  -