APA-viite

(1995). Kerala. Director Census Operation: Census of India 1991. series-12: Kerala. Director of Census Operations.

Chicago-tyylinen lähdeviittaus

Kerala. Director Census Operation: Census of India 1991. Series-12: Kerala. New Delhi: Director of Census Operations, 1995.

MLA-viite

Kerala. Director Census Operation: Census of India 1991. Series-12: Kerala. Director of Census Operations, 1995.

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