Grady, D. (1998). Dietary supplements can be dangerous to your health. Today.
Cita Chicago Style (17a ed.)Grady, Denise. "Dietary Supplements Can Be Dangerous to Your Health." Today 1998.
Cita MLA (9a ed.)Grady, Denise. "Dietary Supplements Can Be Dangerous to Your Health." Today, 1998.
Precaución: Estas citas no son 100% exactas.