TY  - BOOK
AU  - Ayers,Ronald M.
AU  -  Collinge, Robert A.
TI  - Study guide macroeconomics: explore & apply 
SN  - 0-13-150332-4
AV  - HB 172.5 .A94 2005
PY  - 2005///
CY  - Upper Saddle River,New Jersey
PB  - Pearson Prentice Hall
ER  -