@misc{Beaumont-Vassy_Edouard-Ferdinand_de_(1816-1875)_Le,
 author={Beaumont-Vassy, Edouard-Ferdinand de (1816-1875)},
 address={Paris},
 howpublished={online},
 publisher={Erdinand Sartorius},
 type={książka},
 title={Le fils de la Polonaise : roman inédit},
}