APA
(1981). Census of India 1981: series 10 Kerala paper 2 of 1981 provisional population totals Kerala rural urban composition workers and non-workers disabled persons. Director of Census Operation: .
Chicago
1981. Census of India 1981: series 10 Kerala paper 2 of 1981 provisional population totals Kerala rural urban composition workers and non-workers disabled persons. Director of Census Operation: .
Harvard
(1981). Census of India 1981: series 10 Kerala paper 2 of 1981 provisional population totals Kerala rural urban composition workers and non-workers disabled persons. Director of Census Operation: .
MLA
Census of India 1981: series 10 Kerala paper 2 of 1981 provisional population totals Kerala rural urban composition workers and non-workers disabled persons. Director of Census Operation: . 1981.
