Sam, N. (2003). Malayala patra pravarthanam pathonpatham noottandil. D. C. Books.
Chicago Style aipamenaSam, N. Malayala Patra Pravarthanam Pathonpatham Noottandil. Kottayam: D. C. Books, 2003.
MLA aipamenaSam, N. Malayala Patra Pravarthanam Pathonpatham Noottandil. D. C. Books, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.