Cita APA

Director of Census Operations. (1977). Census 1971. Director of Census Operations.

Chicago Edition Citation

Director of Census Operations. Census 1971. Trivandrum: Director of Census Operations, 1977.

Cita MLA

Director of Census Operations. Census 1971. Director of Census Operations, 1977.

Atenció: Aquestes cites poden no estar 100% correctes.