Silverman, D. I. (2002). Direct access futures: A complete guide to trading electronically. New York: Wiley.
Dyfyniad Arddull ChicagoSilverman, David I. Direct Access Futures: A Complete Guide to Trading Electronically. New York: Wiley, 2002.
Dyfyniad MLASilverman, David I. Direct Access Futures: A Complete Guide to Trading Electronically. New York: Wiley, 2002.
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