Kolb, R. W. (1991). Understanding future markets (3rd ed.). Prentice-Hall of India.
Čikaški stil citiranjaKolb, Robert W. Understanding Future Markets. 3rd ed. New Delhi: Prentice-Hall of India, 1991.
MLA način citiranjaKolb, Robert W. Understanding Future Markets. 3rd ed. Prentice-Hall of India, 1991.
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