APA aipamena

Velayudhan Panikkassery. (1962). Keralam arunnuru Kollam munbu. Velayudhan.

Chicago Style aipamena

Velayudhan Panikkassery. Keralam Arunnuru Kollam Munbu. Velayudhan, 1962.

MLA aipamena

Velayudhan Panikkassery. Keralam Arunnuru Kollam Munbu. Velayudhan, 1962.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.