Calder, J. F. (1979). Diverticular disease in Kenyan Africans.
Chicago Style aipamenaCalder, J F. Diverticular Disease in Kenyan Africans. 1979.
MLA aipamenaCalder, J F. Diverticular Disease in Kenyan Africans. 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.