APA (7th ed.) Zitazioa

(1984). Guidelines for drinking-water quality. C B S.World Health c.

Chicago Style (17th ed.) Zitazioa

Guidelines for Drinking-water Quality. Delhi: C B S.World Health c, 1984.

MLA (9th ed.) Zitazioa

Guidelines for Drinking-water Quality. C B S.World Health c, 1984.