1. Bremer Baumwollbörse Cotton School 2008
2. M. Rafiq Chaudhry A. Guitchounts Cotton Facts, Technical Paper No. 25
3. Bremer Baumwollbörse Bremen Cotton Report No.33/34 2008 8 9
4. National Cottonseed Products Association, Inc. (NCPA) 2008 Cottonseed Oil - Fact Sheet http://www.cottonseed.com