APA-viite

(1995). Census of India 1991- Kerala: Primary Census Abstract: General Population (Directorate of Census Operations.). Directorate of Census Operations.

Chicago-tyylinen lähdeviittaus

Census of India 1991- Kerala: Primary Census Abstract: General Population. Directorate of Census Operations. Thiruvananthapuram, Kerala: Directorate of Census Operations, 1995.

MLA-viite

Census of India 1991- Kerala: Primary Census Abstract: General Population. Directorate of Census Operations. Directorate of Census Operations, 1995.