TY  - BOOK
AU  - Marshall,Alfred
AU  - Guillebaud,Claude William
ED  - Royal Economic Society (Great Britain)
TI  - Principles of economics
U1  - 330 
PY  - 1961///
CY  - London, New York
PB  - Macmillan for the Royal Economic Society
KW  - Economics
N1  - Bibliographical footnotes; v. 1. Text.--v. 2. Notes
ER  -