Daft, R. L. (2021). New Era Management (11th.). Cengage.
Lua i Stíl Chicago (17ú heag.)Daft, Richard L. New Era Management. 11th. Cengage, 2021.
Lua MLA (9ú heag.)Daft, Richard L. New Era Management. 11th. Cengage, 2021.
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