Sankarakurup, G. (1984). Ormayude oolangalil.
Chicago Style aipamenaSankarakurup, G. Ormayude Oolangalil. Kottayam, N B S, 1984.
MLA aipamenaSankarakurup, G. Ormayude Oolangalil. 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Sankarakurup, G. (1984). Ormayude oolangalil.
Chicago Style aipamenaSankarakurup, G. Ormayude Oolangalil. Kottayam, N B S, 1984.
MLA aipamenaSankarakurup, G. Ormayude Oolangalil. 1984.