India. Vital Statistics Division. (1970). Sample registration system. Vital Statistics Division, Office of the Registrar General, India, Ministry of Home Affairs.
Lua i Stíl Chicago (17ú heag.)India. Vital Statistics Division. Sample Registration System. New Delhi: Vital Statistics Division, Office of the Registrar General, India, Ministry of Home Affairs, 1970.
Lua MLA (8ú heag.)India. Vital Statistics Division. Sample Registration System. Vital Statistics Division, Office of the Registrar General, India, Ministry of Home Affairs, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.