@misc{Saint-Obin_A.-H.-D._de_Armorial,
 author={Saint-Obin, A.-H.-D. de},
 address={Groningue},
 howpublished={online},
 publisher={Institut Généalogique International},
 type={książka},
 title={Armorial des familles princières et comtales de Pologne},
}