URWICK, L. The Elements Of Administration L. Urwick. Sir Isaac Pitman & Sons Ltd.
Lua i Stíl Chicago (17ú heag.)URWICK, L. The Elements Of Administration L. Urwick. Sir Isaac Pitman & Sons Ltd.
Lua MLA (8ú heag.)URWICK, L. The Elements Of Administration L. Urwick. Sir Isaac Pitman & Sons Ltd.
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