India (Republic) Office of the Registrar General and Census Commissioner for India. (1970). Census of India, 1971: Instructions to enumerators for filling up the individual slip. [s.n.].
Chicago-referens (17:e uppl.)India (Republic) Office of the Registrar General and Census Commissioner for India. Census of India, 1971: Instructions to Enumerators for Filling Up the Individual Slip. Faridabad: [s.n.], 1970.
MLA-referens (9:e uppl.)India (Republic) Office of the Registrar General and Census Commissioner for India. Census of India, 1971: Instructions to Enumerators for Filling Up the Individual Slip. [s.n.], 1970.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.