TERRY GEORGE R. (1977). PRINCIPLES OF MANAGEMENT (7.). R D IRWIN.
Lua i Stíl Chicago (17ú heag.)TERRY GEORGE R. PRINCIPLES OF MANAGEMENT. 7. ILLINOIS: R D IRWIN, 1977.
Lua MLA (9ú heag.)TERRY GEORGE R. PRINCIPLES OF MANAGEMENT. 7. R D IRWIN, 1977.
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