Lua APA (7ú heag.)

KOLB ROBERT W. (1991). UNDERSTANDING FUTURE MARKETS (3RD.). PRENTICE HALL OF INDIA.

Lua i Stíl Chicago (17ú heag.)

KOLB ROBERT W. UNDERSTANDING FUTURE MARKETS. 3RD. NEW DELHI: PRENTICE HALL OF INDIA, 1991.

Lua MLA (9ú heag.)

KOLB ROBERT W. UNDERSTANDING FUTURE MARKETS. 3RD. PRENTICE HALL OF INDIA, 1991.

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