District census handbook,
series 10,
Kerala,
Trivandrum District /
M. Vijayanunni of the Indian Administrative Service, Director of Census Operations, Kerala.
APA Citation
Vijayan Unni, M., India. Director of Census Operations, K. (1988). District census handbook. Trivandrum: Government Press.
MLA Citation
Vijayan Unni, M., 1946-, and Kerala India. Director of Census Operations. District Census Handbook. Trivandrum: Government Press, 1988.
Warning: These citations may not always be complete (especially for serials).