US Food and Drug Administration article discusses commercially prepared formulas, including how they are regulated, what nutrients they contain, and preparation recommendations. http://www.fda.gov/fdac/features/596_baby.html
A resource provided by the International Association of Infant Food Manufacturers and its member companies that share a common purpose to protect and promote the health of infants and children. http://www.babymilk.com
Explanation as to what infant formula is, how the FDA regulates it, how to report a problem with formula and recommendations about home-made formulas. http://vm.cfsan.fda.gov/~dms/ds-inf.html