(1991). Guideline for Drinking Water Quality. CBS Publishers and Distribution.
Citazione stile Chigago Style (17a edizione)Guideline for Drinking Water Quality. New Delhi: CBS Publishers and Distribution, 1991.
Citatione MLA (9a ed.)Guideline for Drinking Water Quality. CBS Publishers and Distribution, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.