STOKES, C. J. (1979). Economics for Managers. McGraw Hill International Book Company.
Lua i Stíl Chicago (17ú heag.)STOKES, Charles J. Economics for Managers. McGraw Hill International Book Company, 1979.
Lua MLA (8ú heag.)STOKES, Charles J. Economics for Managers. McGraw Hill International Book Company, 1979.
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