N. V. P. Unnithiri. (1990). Shankaradarshanam. Nayana.
Chicago Edition CitationN. V. P. Unnithiri. Shankaradarshanam. Payyannur: Nayana, 1990.
MLA Edition CitationN. V. P. Unnithiri. Shankaradarshanam. Nayana, 1990.
Warning: These citations may not always be 100% accurate.