Suvarna Nalappat. (2003). Sudha sindhu: Upanishad swadhyayam. D C Books.
Chicago Edition CitationSuvarna Nalappat. Sudha Sindhu: Upanishad Swadhyayam. Kottayam: D C Books, 2003.
ציטוט MLASuvarna Nalappat. Sudha Sindhu: Upanishad Swadhyayam. D C Books, 2003.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.