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 "Fluoride, Unpublished - Ophaug".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 "Kingman, A. Unpublished data.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 Kingman, A. Unpublished data.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 4b". 2001 Beltsville MD
Nutrient Data Laboratory, ARS, USDA. "National Food and Nutrient Analysis Program Wave 13C". 2009 Beltsville MD