Baumol, W. J. (1961). Economic theory and operations analysis. Prentice-Hall International.
Lua i Stíl Chicago (17ú heag.)Baumol, William J. Economic Theory and Operations Analysis. London: Prentice-Hall International, 1961.
Lua MLA (8ú heag.)Baumol, William J. Economic Theory and Operations Analysis. Prentice-Hall International, 1961.
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