(2002). Nattarivum gruhachikitasyum. Current Books.
Chicago Style aipamenaNattarivum Gruhachikitasyum. Kottayam: Current Books, 2002.
MLA aipamenaNattarivum Gruhachikitasyum. Current Books, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.