Toss, G. (1984). Vitamin D deficiency in the elderly and its prophylaxis.
Chicago Style aipamenaToss, Göran. Vitamin D Deficiency in the Elderly and Its Prophylaxis. 1984.
MLA aipamenaToss, Göran. Vitamin D Deficiency in the Elderly and Its Prophylaxis. 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.