APA (7th ed.) Zitazioa

(1991). Guideline for Drinking Water Quality. CBS Publishers and Distribution.

Chicago Style (17th ed.) Zitazioa

Guideline for Drinking Water Quality. New Delhi: CBS Publishers and Distribution, 1991.

MLA (9th ed.) Zitazioa

Guideline for Drinking Water Quality. CBS Publishers and Distribution, 1991.