APA (7th ed.) Zitazioa

Journal of Nutrition For the Elderly. Cambridge University Press.

Chicago Style (17th ed.) Zitazioa

Journal of Nutrition For the Elderly. Cambridge University Press.

MLA (9th ed.) Zitazioa

Journal of Nutrition For the Elderly. Cambridge University Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.