APA aipamena

Unnikrishnan Puthur. (1978). Vidhichakram. SPCS.

Chicago Style aipamena

Unnikrishnan Puthur. Vidhichakram. Kottayam: SPCS, 1978.

MLA aipamena

Unnikrishnan Puthur. Vidhichakram. SPCS, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.