Purushothaman, C. (1992). Poonthanavum bhakti prasrthanavum (2nd ed.). Kerala Bhasha Institute.
Chicago-stil citatPurushothaman, Cherukunnam. Poonthanavum Bhakti Prasrthanavum. 2nd ed. Thiruvananthapuram: Kerala Bhasha Institute, 1992.
MLA-referensPurushothaman, Cherukunnam. Poonthanavum Bhakti Prasrthanavum. 2nd ed. Kerala Bhasha Institute, 1992.
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