@misc{Sacrobosco_Joannis_Textus,
 author={Sacrobosco, Joannis},
 howpublished={online},
 publisher={in officina Henrici stephani e regione Schole decretorum sita},
 language={lat},
 title={Textus De Sphera Johannis de Sacrobosco […]},
 type={stary druk},
 keywords={starodruk - 16 w., astronomia, historia astronomii, średniowieczne dzieła astronomiczne, Sacrobosco, Joannis (ca.1200-1256)},
}