Sreekumar P N. (1998). Chalachitra swaroopam. Paridhi.
Chicago Style aipamenaSreekumar P N. Chalachitra Swaroopam. Thiruvananthapuram: Paridhi, 1998.
MLA aipamenaSreekumar P N. Chalachitra Swaroopam. Paridhi, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.