Παραπομπή APA
Geman, H. (2005). Commodities and commodity derivatives: Modeling and pricing for agriculturals, metals and energy. West Sussex, England: John Wiley & Sons.
Παραπομπή Chicago StyleGeman, Helyette. Commodities and Commodity Derivatives: Modeling and Pricing for Agriculturals, Metals and Energy. West Sussex, England: John Wiley & Sons, 2005.
Παραπομπή MLAGeman, Helyette. Commodities and Commodity Derivatives: Modeling and Pricing for Agriculturals, Metals and Energy. West Sussex, England: John Wiley & Sons, 2005.
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