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Lua i Stíl Chicago (17ú heag.)HELLRIEGEL, Don. ManagementDon Hellriegel, Susan E. Jackson and John W. Slocum. Thomson, 2005.
Lua MLA (8ú heag.)HELLRIEGEL, Don. ManagementDon Hellriegel, Susan E. Jackson and John W. Slocum. Thomson, 2005.
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