Loudon, I. (2007). An early Medical Research Council controlled trial of vitamins for preventing infection. The Royal Society of Medicine.
Chicago Style aipamenaLoudon, Irvine. An Early Medical Research Council Controlled Trial of Vitamins for Preventing Infection. The Royal Society of Medicine, 2007.
MLA aipamenaLoudon, Irvine. An Early Medical Research Council Controlled Trial of Vitamins for Preventing Infection. The Royal Society of Medicine, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.