WERTHER, W. B. (1993). Human Resources And Personnel Management William B. Werther And Keith Davis. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)WERTHER, William B. Human Resources And Personnel Management William B. Werther And Keith Davis. McGraw-Hill, 1993.
Lua MLA (8ú heag.)WERTHER, William B. Human Resources And Personnel Management William B. Werther And Keith Davis. McGraw-Hill, 1993.
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