APA aipamena

Gopalavarier Avarkal ,P.R. (1959). Keralasambavam. Sreeramavilasam Press & Book Depo, Kollam.

Chicago Style aipamena

Gopalavarier Avarkal ,P.R. Keralasambavam. Sreeramavilasam Press & Book Depo, Kollam: Sreeramavilasam Press & Book Depo, Kollam, 1959.

MLA aipamena

Gopalavarier Avarkal ,P.R. Keralasambavam. Sreeramavilasam Press & Book Depo, Kollam, 1959.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.