Dyfyniad APA

Geoffrey Poitras. (2002). Risk Management, Speculation, and Derivative Securities. ELSEVIER.

Dyfyniad Arddull Chicago

Geoffrey Poitras. Risk Management, Speculation, and Derivative Securities. ELSEVIER, 2002.

Dyfyniad MLA

Geoffrey Poitras. Risk Management, Speculation, and Derivative Securities. ELSEVIER, 2002.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.