Παραπομπή APA

Samuel, N. M. Census of India 1991: Provisional population totals paper 1 of 1991. Director of Census Operations.

Παραπομπή Chicago Style

Samuel, N M. Census of India 1991: Provisional Population Totals Paper 1 of 1991. kerala: Director of Census Operations.

Παραπομπή MLA

Samuel, N M. Census of India 1991: Provisional Population Totals Paper 1 of 1991. Director of Census Operations.