Calculations based on prices of store brand and name brand formulas at Walgreens.com in November 2011 and average consumption of 30 oz. of formula per day.
 Reiff, Michael I., and Susan M. Essock-Vitale. "Hospital Influences on Early Infant-Feeding Practices." Pediatrics 76, no. 6 (1985): 872-79.
 Ban the Bags. "Ban the Bags Tool Kit." Retrieved 6 February 2012, from http://www.banthebags.org/.
 Bartick, Melissa, and Arnold Reinhold. "The Burden of Suboptimal Breastfeeding in the United States: A Pediatric Cost Analysis." Pediatrics 125, no. 5 (2010): e1048-e56.
 Oliveira, Victor, Elizabeth Frazao, and David Smallwood. "The Infant Formula Market: Consequences of a Change in the Wic Contract Brand." United States Department of Agriculture, Economic Research Service. Retrieved 9 March, 2012, from http://www.ers.usda.gov/Publications/ERR124/ERR124.pdf.
 United States Government Accountability Office. "Breastfeeding: Some Strategies Used to Market Infant Formula May Discourage Breastfeeding; State Contracts Should Better Protect against Misuse of Wic Name." Retrieved 12 March, 2012, from http://gao.gov/assets/250/249027.pdf.
 Oliveira, Frazao, and Smallwood, "The Infant Formula Market: Consequences of a Change in the Wic Contract Brand."