(1974). Onpathu upanishathukal. Vidyarthi Mithram Press | Book Depot.
Chicago Edition CitationOnpathu Upanishathukal. Kottayam: Vidyarthi Mithram Press | Book Depot, 1974.
MLA Edition CitationOnpathu Upanishathukal. Vidyarthi Mithram Press | Book Depot, 1974.
Warning: These citations may not always be 100% accurate.