Ezhuthachan, K. N. T., & Sydney, P. (1987). Kavithakkoru saadhookaranam.
Chicago Style aipamenaEzhuthachan, K N; Tr, and Philip Sydney. Kavithakkoru Saadhookaranam. 1987.
MLA aipamenaEzhuthachan, K N; Tr, and Philip Sydney. Kavithakkoru Saadhookaranam. 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.