"Dietary Guidelines for Americans 2005"(PDF). U.S. Department of Health and Human Services, U.S. Department of Agriculture. 2005. Archived from the original(PDF) on July 16, 2009. Retrieved March 28, 2017.
"Dietary Guidelines for Americans 2005"(PDF). U.S. Department of Health and Human Services, U.S. Department of Agriculture. 2005. Archived from the original(PDF) on July 16, 2009. Retrieved March 28, 2017. p. 20
"Dietary Guidelines for Americans 2005"(PDF). U.S. Department of Health and Human Services, U.S. Department of Agriculture. 2005. Archived from the original(PDF) on July 16, 2009. Retrieved March 28, 2017.
"Dietary Guidelines for Americans 2005"(PDF). U.S. Department of Health and Human Services, U.S. Department of Agriculture. 2005. Archived from the original(PDF) on July 16, 2009. Retrieved March 28, 2017. p. 20