APA (7th ed.) Zitazioa

Nutrition Action Health Letter. Center for Science in the Public Interest.

Chicago Style (17th ed.) Zitazioa

Nutrition Action Health Letter. Center for Science in the Public Interest.

MLA (9th ed.) Zitazioa

Nutrition Action Health Letter. Center for Science in the Public Interest.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.