Underhill, E. (1990). Mysticism: A study in the nature and development of spiritual consiousness. Christian Classics Ethereal Library.
Chicago-Zitierstil (17. Ausg.)Underhill, Evelyn. Mysticism: A Study in the Nature and Development of Spiritual Consiousness. Grand Rapids, Mich: Christian Classics Ethereal Library, 1990.
MLA-Zitierstil (9. Ausg.)Underhill, Evelyn. Mysticism: A Study in the Nature and Development of Spiritual Consiousness. Christian Classics Ethereal Library, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.