Gaya APA
Angell, G. (1990).
Winning in the futures market: a money-making guide to trading hedging and speculating. Revised edition .
New York:
McGraw-Hill.
Gaya MLA
Angell, George.
"Winning in the futures market: a money-making guide to trading hedging and speculating. Revised edition".
New York:
McGraw-Hill,
1990.
Text.