Cita APA (7th ed.)

(1982). Commodity profits through trend trading: A price model and strategies / Robert M. Barnes.

Cita Chicago (17th ed.)

Commodity Profits Through Trend Trading: A Price Model and Strategies / Robert M. Barnes. 1982.

Cita MLA (9th ed.)

Commodity Profits Through Trend Trading: A Price Model and Strategies / Robert M. Barnes. 1982.

Atenció: Aquestes cites poden no estar 100% correctes.