1. Going Long on Commodities;Acworth W.;Futures Industry,2005
2. Agricultural and Food Policy Center (AFPC)The Effects of Ethanol on Texas Food and Feed2008AFPC Research Report 08-1 April 2008.http://www.afpc.tamu.edu/pubs/2/515/RR-08-01.pdf
3. Comprehensive Review of the Commitments of Traders Reporting Program;Commodity Futures Trading Commission (CFTC);Federal Register,2006
4. Commodity Futures Trading Commission (CFTC)Commodity Futures Trading Commission Actions in Response to the Comprehensive Review of the Commitments of Traders Reporting Program2006December 5 2006.http://cftc.gov/stellent/groups/public/@commitmentsoftraders/documents/file/noticeonsupplementalcotrept.pdf
5. Commodity Futures Trading Commission (CFTC)About the Commitments of Traders2008http://www.cftc.gov/marketreports/commitmentsoftraders/cot_about.html(accessed on May 15 2008)