@misc{Durand_Guillaume_(1230-1296)_Rationale,
 author={Durand, Guillaume (1230-1296)},
 howpublished={online},
 publisher={Guilelmus de Cereto},
 language={lat},
 title={Rationale divinorum officiorum},
 type={inkunabuł},
 keywords={liturgia katolicka, 13 w., 15 w.},
}