APA (7th ed.) Zitazioa

United States. Agricultural Research Service. Human Nutrition Research Division. Apples in Appealing Ways [1969].

Chicago Style (17th ed.) Zitazioa

United States. Agricultural Research Service. Human Nutrition Research Division. Apples in Appealing Ways [1969].

MLA (9th ed.) Zitazioa

United States. Agricultural Research Service. Human Nutrition Research Division. Apples in Appealing Ways [1969].

Kontuz: berrikusi erreferentzia hauek erabili aurretik.