TY  - BOOK
AU  - Rogers, A. J.
TI  - Principles of trade
T2  - Dryden Press principles of economics series
SN  - 0030891221
U1  - 380.1/01 
PY  - 1972///
CY  - Hinsdale, Ill.
PB  - Dryden Press
KW  - Commerce
ER  -