Dr. Michael Colgan. "Optimum Sports Nutrition". 1993.
Robert Ophaug. "Fluoride, Unpublished - Ophaug". Microdiffision
Albert Kingman. "Kingman, A. Unpublished data. NIDR/NIH, 1984". 9. Kingman, A. Unpublished data. NIDR/NIH, 1984.
RD Jackson, EJ Brizendine, SA Kelly, R Hinesley, GK Stookey, AJ Dunipace. "The fluoride content of foods and beverages from negligibly and optimally fluoridated communities.". 2002 Community Dental Oral Epidemiology 30 5 Pg. 382 - 391
Nutrient Data Laboratory, ARS, USDA. "National Food and Nutrient Analysis Program Wave 6m". 2002 Beltsville MD