Prasanna Kartha. (2014). Smarthavicharam. National Book Stall.
Chicago Style aipamenaPrasanna Kartha. Smarthavicharam. Kottayam: National Book Stall, 2014.
MLA aipamenaPrasanna Kartha. Smarthavicharam. National Book Stall, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.