Schumacher, L. (2020). The Summa Halensis: Sources and Context. De Gruyter.
Chicago-čujuhus (17. p.)Schumacher, Lydia. The Summa Halensis: Sources and Context. De Gruyter, 2020.
MLA-čujuhus (9. p.)Schumacher, Lydia. The Summa Halensis: Sources and Context. De Gruyter, 2020.
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