Ramaswamy Iyer. (2003). water perspectives, issues concerns (1st.). Sage.
Chicago Style aipamenaRamaswamy Iyer. Water Perspectives, Issues Concerns. 1st. New Delhi: Sage, 2003.
MLA aipamenaRamaswamy Iyer. Water Perspectives, Issues Concerns. 1st. Sage, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.