P K Balakrishnan. Kayar Vyavasayathinte Sampathikacharithram. DC Books.
Chicago Edition CitationP K Balakrishnan. Kayar Vyavasayathinte Sampathikacharithram. Kottayam: DC Books.
MLA Edition CitationP K Balakrishnan. Kayar Vyavasayathinte Sampathikacharithram. DC Books.
Warning: These citations may not always be 100% accurate.