KOLB ROBERT W. (1991). UNDERSTANDING FUTURE MARKETS (3RD.). PRENTICE HALL OF INDIA.
Čikaški stil citiranja (17. izdanje)KOLB ROBERT W. UNDERSTANDING FUTURE MARKETS. 3RD. NEW DELHI: PRENTICE HALL OF INDIA, 1991.
MLA način citiranja (9. izdanje)KOLB ROBERT W. UNDERSTANDING FUTURE MARKETS. 3RD. PRENTICE HALL OF INDIA, 1991.
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