APA (7th ed.) Zitazioa

(1994). Skin, Hair, nails and nutrition. CBS.

Chicago Style (17th ed.) Zitazioa

Skin, Hair, Nails and Nutrition. Delhi: CBS, 1994.

MLA (9th ed.) Zitazioa

Skin, Hair, Nails and Nutrition. CBS, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.