TY  - BOOK
AU  - Case,Karl E
AU  - Fair,Ray C.
AU  - Oster,Sharon M.
TI  - Principles of economics
SN  - 9780137141456
PY  - 2009///
CY  - Upper Saddle River, New Jersey : 
PB  - Prentice Hall, 
KW  - Economics
N1  - Includes bibliographical references and index
ER  -