Citazione Stile APA (7a Edizione)

(2011). Guidelines for drinking-water quality (4th ed.). WHO.

Citazione stile Chigago Style (17a edizione)

Guidelines for Drinking-water Quality. 4th ed. Geneva: WHO, 2011.

Citatione MLA (9a ed.)

Guidelines for Drinking-water Quality. 4th ed. WHO, 2011.