SAYLES, L. R. (1981). Managing Human Resources Leonnard R. Sayles, George Stravss. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)SAYLES, Leonard R. Managing Human Resources Leonnard R. Sayles, George Stravss. Prentice-Hall, 1981.
Lua MLA (8ú heag.)SAYLES, Leonard R. Managing Human Resources Leonnard R. Sayles, George Stravss. Prentice-Hall, 1981.
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