PROCTOR TONY. (1997). ESSENCE OF MANAGEMENT CREATIVITY. PRENTICE -HALL INTERNATIONAL, INC.
Čikaški stil citiranja (17. izdanje)PROCTOR TONY. ESSENCE OF MANAGEMENT CREATIVITY. NEW DELHI: PRENTICE -HALL INTERNATIONAL, INC, 1997.
MLA način citiranja (9. izdanje)PROCTOR TONY. ESSENCE OF MANAGEMENT CREATIVITY. PRENTICE -HALL INTERNATIONAL, INC, 1997.
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