APA
World Health Organization, . (1984). Guidelines for drinking - water quality vol 2 : health criteria and other supporting informaton. CBS Publishers & Distributors Pvt. Ltd., New Delhi: .
Chicago
World Health Organization, . 1984. Guidelines for drinking - water quality vol 2 : health criteria and other supporting informaton. CBS Publishers & Distributors Pvt. Ltd., New Delhi: .
Harvard
World Health Organization, . (1984). Guidelines for drinking - water quality vol 2 : health criteria and other supporting informaton. CBS Publishers & Distributors Pvt. Ltd., New Delhi: .
MLA
World Health Organization, . Guidelines for drinking - water quality vol 2 : health criteria and other supporting informaton. CBS Publishers & Distributors Pvt. Ltd., New Delhi: . 1984.