Kothari, M. M. (1991). Spiritual empiricism. Hopes Books.
Chicago Style aipamenaKothari, M. M. Spiritual Empiricism. Jodhpur: Hopes Books, 1991.
MLA aipamenaKothari, M. M. Spiritual Empiricism. Hopes Books, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.