Gupta, C. (2005). Human resource management (6th.). S Chand & Sons.
Lua i Stíl Chicago (17ú heag.)Gupta, C. Human Resource Management. 6th. New Delhi: S Chand & Sons, 2005.
Lua MLA (9ú heag.)Gupta, C. Human Resource Management. 6th. S Chand & Sons, 2005.
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