K E N. Swargam Narakam Paralokam. Chintha Publishers.
Chicago Edition CitationK E N. Swargam Narakam Paralokam. Thiruvananthapuram: Chintha Publishers.
MLA Edition CitationK E N. Swargam Narakam Paralokam. Chintha Publishers.
Warning: These citations may not always be 100% accurate.