(1967). Monopolistic competition theory: Studies in impact. Wiley.
Chicago-čujuhus (17. p.)Monopolistic Competition Theory: Studies in Impact. New York: Wiley, 1967.
MLA-čujuhus (9. p.)Monopolistic Competition Theory: Studies in Impact. Wiley, 1967.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.