DALE, E. (1960). Staff In Organization Ernest Dale And Lyndall F. Urwick. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)DALE, Ernest. Staff In Organization Ernest Dale And Lyndall F. Urwick. McGraw-Hill, 1960.
Lua MLA (8ú heag.)DALE, Ernest. Staff In Organization Ernest Dale And Lyndall F. Urwick. McGraw-Hill, 1960.
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