Sudheesh, K. M. A. (2009). Kalluppu: Malayala kavithakal.
Chicago Style aipamenaSudheesh, K M; Author. Kalluppu: Malayala Kavithakal. Thrissur, Kerala Sahithya Akademi Ke, 2009.
MLA aipamenaSudheesh, K M; Author. Kalluppu: Malayala Kavithakal. 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.