Pothuval, P. P. K. (2011). പാമ്പുകൾ. Chintha Publishers.
Chicago Edition CitationPothuval, P P K. പാമ്പുകൾ. Thiruvananthapuram: Chintha Publishers, 2011.
MLA Edition CitationPothuval, P P K. പാമ്പുകൾ. Chintha Publishers, 2011.
Warning: These citations may not always be 100% accurate.