@misc{Guillaume_d'Auvergne_(c._1180_–_1249)_De,
 author={Guillaume d'Auvergne (c. 1180 – 1249)},
 howpublished={online},
 publisher={Günther Zainer},
 language={lat},
 type={inkunabuł},
 title={De fide et legibus},
}