1.
Jean-Baptiste Say (1776-1832). Aldershot: Edward Elgar; 1991.
Jean-Baptiste Say (1776-1832). Aldershot : Edward Elgar, 22 mai 1991. ISBN 1852784776
Blaug Mark. (1991). Jean-Baptiste Say (1776-1832). Edward Elgar.
MLA (8th ed.) CitationBlaug Mark. Jean-Baptiste Say (1776-1832). Edward Elgar, 1991.
Warning: These citations may not always be 100% accurate.