APA-čujuhus (7. p.)
Ambrose, S., & Beyenka, M. M. (2001). Letters. Catholic University of America Press.
Chicago-čujuhus (17. p.)
Ambrose, Saint, juo Mary Melchior Beyenka. Letters. Washington, D.C.: Catholic University of America Press, 2001.
MLA-čujuhus (9. p.)
Ambrose, Saint, juo Mary Melchior Beyenka. Letters. Catholic University of America Press, 2001.
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