Purushothaman Cherukunnam. (1992). Poonthanavum bhakthi prasthanavum. Kerala Bhasha Institute.
Chicago Edition CitationPurushothaman Cherukunnam. Poonthanavum Bhakthi Prasthanavum. Thiruvananthapuram: Kerala Bhasha Institute, 1992.
MLA Edition CitationPurushothaman Cherukunnam. Poonthanavum Bhakthi Prasthanavum. Kerala Bhasha Institute, 1992.
Warning: These citations may not always be 100% accurate.