TY  - BOOK
AU  - 
TI  - Principles of macroeconomics
SN  - 9781121458789
AV  - HB 172.5 .P75 2012 
PY  - 2012///
CY  - U.S.A
PB  - McGraw hill
KW  - Microeconomics
KW  - Economics
ER  -