Guptan Nair S. (1998). Asthiyude pookkal Changampuzha: Kaviyum kavithayum (patanam). D C Books.
Chicago Style aipamenaGuptan Nair S. Asthiyude Pookkal Changampuzha: Kaviyum Kavithayum (patanam). Kottayam: D C Books, 1998.
MLA aipamenaGuptan Nair S. Asthiyude Pookkal Changampuzha: Kaviyum Kavithayum (patanam). D C Books, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.