Kalidasa & Murali P N Kayamkulam. (1997). Hruthu samharam. Kerala Panini Aksharasloka Samithi.
Chicago Style aipamenaKalidasa and Murali P N Kayamkulam. Hruthu Samharam. Mavelikkara: Kerala Panini Aksharasloka Samithi, 1997.
MLA aipamenaKalidasa and Murali P N Kayamkulam. Hruthu Samharam. Kerala Panini Aksharasloka Samithi, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.