Organization, W. H. (1998). Vitamin and mineral requirements in human nutrition.
Citazione stile Chigago Style (17a edizione)Organization, Worl Health. Vitamin and Mineral Requirements in Human Nutrition. 1998.
Citatione MLA (9a ed.)Organization, Worl Health. Vitamin and Mineral Requirements in Human Nutrition. 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.