Παραπομπή σε μορφή APA (7η εκδ.)

Geman, H. (2005). Commodities and commodity derivatives: Modelling and pricing for agriculturals, metals, and energy (1st ed., Repr.). John Wiley & Sons.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Geman, Helyette. Commodities and Commodity Derivatives: Modelling and Pricing for Agriculturals, Metals, and Energy. 1st ed., Repr. West Sussex: John Wiley & Sons, 2005.

Παραπομπή σε μορφή MLA (9th εκδ.)

Geman, Helyette. Commodities and Commodity Derivatives: Modelling and Pricing for Agriculturals, Metals, and Energy. 1st ed., Repr. John Wiley & Sons, 2005.