1. The Low-Cost, Moderate-Cost, and Liberal Food Plans, 2007 (CNPP-20);Carlson,2007
2. Public Law No. 101–445, Section 301 (7 U.S.C. 5341), National Nutrition Monitoring and Related Research Act of 1990, Title III.
3. US Department of Health and Human Services and US Department of Agriculture. Dietary Guidelines for Americans 2015–2020, 8th ed. http://health.gov/dietaryguidelines/2015/guidelines/. Accessed May 31, 2016.
4. Economics of Food Labeling. Agricultural Economic Report No. 793;Golan,2001
5. US Food and Drug Administration, Center for Food Safety and Applied Nutrition. Menu and vending machines labeling requirements. http://www.fda.gov/Food/IngredientsPackagingLabeling/LabelingNutrition/ucm217762.htm. Accessed May 31, 2016.