The Basic six food groups: Eat the recommended servings daily. [s.n.].
Citazione stile Chigago Style (17a edizione)The Basic Six Food Groups: Eat the Recommended Servings Daily. Quezon City: [s.n.].
Citatione MLA (9a ed.)The Basic Six Food Groups: Eat the Recommended Servings Daily. [s.n.].
Attenzione: Queste citazioni potrebbero non essere precise al 100%.