Sreedharan, P. (1984). Thevaram. Poorna Publications.
Chicago Style aipamenaSreedharan, Perumbadavam. Thevaram. Kozhikode: Poorna Publications, 1984.
MLA aipamenaSreedharan, Perumbadavam. Thevaram. Poorna Publications, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.