@misc{Cicero_Marcus_Tullius_(106-43_a.C.)_M._1803,
 author={Cicero, Marcus Tullius (106-43 a.C.)},
 title={M. Tullii Ciceronis De Officiis libri tres},
 address={Polociae},
 year={1803},
 language={lat},
 type={książka},
 publisher={Typis Collegii Soc. Jesu},
 keywords={Filozofia},
}