Παραπομπή APA

Kolb, R. W. (1991). Understanding futures markets (3rd ed.). New York Institute of finance.

Παραπομπή Chicago Style

Kolb, Robert W. Understanding Futures Markets. 3rd ed. New York: New York Institute of finance, 1991.

Παραπομπή MLA

Kolb, Robert W. Understanding Futures Markets. 3rd ed. New York Institute of finance, 1991.