Παραπομπή APA

Geman, H. (2008). Risk management in commodity markets: From shipping to agriculturals and energy. Chichester, West Sussex, England ; Hoboken, NJ: Wiley.

Παραπομπή Chicago Style

Geman, Helyette. Risk Management in Commodity Markets: From Shipping to Agriculturals and Energy. Chichester, West Sussex, England ; Hoboken, NJ: Wiley, 2008.

Παραπομπή MLA

Geman, Helyette. Risk Management in Commodity Markets: From Shipping to Agriculturals and Energy. Chichester, West Sussex, England ; Hoboken, NJ: Wiley, 2008.

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