KOLB ROBERT W. (1991). UNDERSTANDING FUTURE MARKETS (3RD.). PRENTICE HALL OF INDIA.
Cita Chicago (17th ed.)KOLB ROBERT W. UNDERSTANDING FUTURE MARKETS. 3RD. NEW DELHI: PRENTICE HALL OF INDIA, 1991.
Cita MLA (9th ed.)KOLB ROBERT W. UNDERSTANDING FUTURE MARKETS. 3RD. PRENTICE HALL OF INDIA, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.