Παραπομπή APA

Census of India 1971, Series 9. Diretor of Census Operations, 1977.

Παραπομπή Chicago Style

Census of India 1971, Series 9. Trivandrum: Diretor of Census Operations, 1977.

Παραπομπή MLA

Census of India 1971, Series 9. Diretor of Census Operations, 1977.

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