APA (7th ed.) Zitazioa
ebrary, Inc, & Geman, H. (2008). Risk management in commodity markets: From shipping to agriculturals and energy. Wiley.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Hélyette Geman. Risk Management in Commodity Markets: From Shipping to Agriculturals and Energy. Chichester, West Sussex, England ; Hoboken, NJ: Wiley, 2008.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Hélyette Geman. Risk Management in Commodity Markets: From Shipping to Agriculturals and Energy. Wiley, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.