Kurup, N. R. (1957). Vazhi thettiya vimanam.
Chicago Style aipamenaKurup, Nagavallil Rs. Vazhi Thettiya Vimanam. 1957.
MLA aipamenaKurup, Nagavallil Rs. Vazhi Thettiya Vimanam. 1957.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Kurup, N. R. (1957). Vazhi thettiya vimanam.
Chicago Style aipamenaKurup, Nagavallil Rs. Vazhi Thettiya Vimanam. 1957.
MLA aipamenaKurup, Nagavallil Rs. Vazhi Thettiya Vimanam. 1957.