APA-čujuhus (7. p.)
ebrary, Inc, & Geman, H. (2008). Risk management in commodity markets: From shipping to agriculturals and energy. Wiley.
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Hélyette Geman. Risk Management in Commodity Markets: From Shipping to Agriculturals and Energy. Chichester, West Sussex, England ; Hoboken, NJ: Wiley, 2008.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Hélyette Geman. Risk Management in Commodity Markets: From Shipping to Agriculturals and Energy. Wiley, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.