Prem nad. (1959). Nammude Nadanpattukalum Nadan Kalakalum. N.B.S..
Chicago Style aipamenaPrem nad. Nammude Nadanpattukalum Nadan Kalakalum. Kottayam: N.B.S., 1959.
MLA aipamenaPrem nad. Nammude Nadanpattukalum Nadan Kalakalum. N.B.S., 1959.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.