Werner, J. (2006). Human resource development (4th.). Thomson South- Western Publ.
Lua i Stíl Chicago (17ú heag.)Werner, John. Human Resource Development. 4th. Delhi: Thomson South- Western Publ, 2006.
Lua MLA (9ú heag.)Werner, John. Human Resource Development. 4th. Thomson South- Western Publ, 2006.
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