1. An overview of nutrition;Whitney,1998
2. Penland JG. Dietary reference intakes (DRIs): new dietary guidelines really are new. USDA Grand Forks Human Nutrition Research Center. Available at: http://www.gfhnrc.ars.usda.gov/News/nws9912a.htm. Accessed in May 2002.
3. Planning a healthy diet;Whitney,1998
4. Carbohydrates;Long,2003
5. Carbohydrates;Grodner,1996