Newman, B. (1987). Sister of wisdom: St. Hildegard's theology of the feminine. University of CA Press.
Chicago-referens (17:e uppl.)Newman, Barbara. Sister of Wisdom: St. Hildegard's Theology of the Feminine. Berkeley: University of CA Press, 1987.
MLA-referens (9:e uppl.)Newman, Barbara. Sister of Wisdom: St. Hildegard's Theology of the Feminine. University of CA Press, 1987.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.