Cita APA (7th ed.)

(1983). Spread variability in futures markets / by Douglas T. Breeden.

Cita Chicago (17th ed.)

Spread Variability in Futures Markets / by Douglas T. Breeden. 1983.

Cita MLA (9th ed.)

Spread Variability in Futures Markets / by Douglas T. Breeden. 1983.

Atenció: Aquestes cites poden no estar 100% correctes.