Classen, A. (2014). Mental health, spirituality, and religion in the Middle Ages and early Modern age. De Gruyter.
Chicago-viite (17. p.)Classen, Albrecht. Mental Health, Spirituality, and Religion in the Middle Ages and Early Modern Age. Berlin ; Boston: De Gruyter, 2014.
MLA-viite (9. p.)Classen, Albrecht. Mental Health, Spirituality, and Religion in the Middle Ages and Early Modern Age. De Gruyter, 2014.
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