Karunakaran Nair Vellattu. (1988). Bhaktisasthram. Sriramakrishna Math.
Chicago Edition CitationKarunakaran Nair Vellattu. Bhaktisasthram. Thrissur: Sriramakrishna Math, 1988.
MLA Edition CitationKarunakaran Nair Vellattu. Bhaktisasthram. Sriramakrishna Math, 1988.
Warning: These citations may not always be 100% accurate.