APA-čujuhus (7. p.)
Hildegard, S., Baird, J. L., & Ehrman, R. K. (1998). The letters of Hildegard of Bingen. Oxford University Press.
Chicago-čujuhus (17. p.)
Hildegard, Saint, Joseph L. Baird, juo Radd K. Ehrman. The Letters of Hildegard of Bingen. New York: Oxford University Press, 1998.
MLA-čujuhus (9. p.)
Hildegard, Saint, et al. The Letters of Hildegard of Bingen. Oxford University Press, 1998.
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