Sidney, P., & Ezhuthachan, K. N. (1999). Kavithakkoru sadhookaranam(കവിതയ്ക്കൊരു സാധൂകരണം) (2nd ed.). Kerala Bhasha Institute.
Chicago Edition CitationSidney, Philip(സിഡ്നി, and K N,Tr.(എഴുത്തച്ഛ൯ Ezhuthachan. Kavithakkoru Sadhookaranam(കവിതയ്ക്കൊരു സാധൂകരണം). 2nd ed. Thiruvananthapuram: Kerala Bhasha Institute, 1999.
MLA Edition CitationSidney, Philip(സിഡ്നി, and K N,Tr.(എഴുത്തച്ഛ൯ Ezhuthachan. Kavithakkoru Sadhookaranam(കവിതയ്ക്കൊരു സാധൂകരണം). 2nd ed. Kerala Bhasha Institute, 1999.
Warning: These citations may not always be 100% accurate.