Muraleedharan Nellikkal. (2000). Asankavitha - puravrithapadhanam. State institute of languages.
Chicago Style aipamenaMuraleedharan Nellikkal. Asankavitha - Puravrithapadhanam. Thiruvananthapuram: State institute of languages, 2000.
MLA aipamenaMuraleedharan Nellikkal. Asankavitha - Puravrithapadhanam. State institute of languages, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.