COX CHARLES. (1984). MANAGEMENT DEVELOPMENTY ADVANCES IN PRACTICE AND THEORY. JOHN WILEY AND SONS.
Lua i Stíl Chicago (17ú heag.)COX CHARLES. MANAGEMENT DEVELOPMENTY ADVANCES IN PRACTICE AND THEORY. NEW YORK: JOHN WILEY AND SONS, 1984.
Lua MLA (9ú heag.)COX CHARLES. MANAGEMENT DEVELOPMENTY ADVANCES IN PRACTICE AND THEORY. JOHN WILEY AND SONS, 1984.
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