(1976). N V yum malayala sahityavum. National Bookstall.
Chicago Style aipamenaN V Yum Malayala Sahityavum. Kottayam: National Bookstall, 1976.
MLA aipamenaN V Yum Malayala Sahityavum. National Bookstall, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.