Kuttan, K. (1981). Sahakarana manejmentu. State Institute of languages.
Chicago Style aipamenaKuttan, K.P. Sahakarana Manejmentu. Trivandrum: State Institute of languages, 1981.
MLA aipamenaKuttan, K.P. Sahakarana Manejmentu. State Institute of languages, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.