TY  - BOOK
AU  - Heffernan ,Shelagh
AU  -  Sinclair ,Peter
TI  - Modern International Economics 
SN  - 0631166041
U1  - 332 
PY  - 1993///
CY  - USA: 
PB  - Blackwell Publisher, 
KW  - Economics
KW  - International Trade
KW  - Microeconomics
KW  - Ricardo's Model
ER  -