APA aipamena

Narayanan, K. (1971). District census handbook: Trivandrum district.

Chicago Style aipamena

Narayanan, K. District Census Handbook: Trivandrum District. 1971.

MLA aipamena

Narayanan, K. District Census Handbook: Trivandrum District. 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.