Grady, D. (1998). Dietary supplements can be dangerous to your health. Today.
Citazione stile Chigago Style (17a edizione)Grady, Denise. "Dietary Supplements Can Be Dangerous to Your Health." Today 1998.
Citatione MLA (9a ed.)Grady, Denise. "Dietary Supplements Can Be Dangerous to Your Health." Today, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.