@misc{Viscay_Martin_de_Étude,
 author={Viscay, Martin de},
 howpublished={online},
 publisher={Imprimerie Maurin et Casabonne},
 language={fre},
 type={książka},
 title={Étude sur la Basse-Navarre},
 keywords={historia, Nawarra (Francja ; region)},
}