United States. Agricultural Research Service & Beltsville Human Nutrition Research Center. Food Surveys Research Group. (1999). Pyramid servings data: Results from USDA's 1994-96 Continuing Survey of Food Intakes by Individuals. Food Surveys Research Group, Beltsville Human Nutrition Research Center, Agricultural Research Service, U.S. Department of Agriculture.
Chicago Style (17th ed.) CitationUnited States. Agricultural Research Service and Beltsville Human Nutrition Research Center. Food Surveys Research Group. Pyramid Servings Data: Results from USDA's 1994-96 Continuing Survey of Food Intakes by Individuals. Beltsville, Md.: Food Surveys Research Group, Beltsville Human Nutrition Research Center, Agricultural Research Service, U.S. Department of Agriculture, 1999.
MLA (9th ed.) CitationUnited States. Agricultural Research Service and Beltsville Human Nutrition Research Center. Food Surveys Research Group. Pyramid Servings Data: Results from USDA's 1994-96 Continuing Survey of Food Intakes by Individuals. Food Surveys Research Group, Beltsville Human Nutrition Research Center, Agricultural Research Service, U.S. Department of Agriculture, 1999.