@misc{Hedin_Sven_(1865-1952)._Autor_Amerika,
 author={Hedin, Sven (1865-1952). Autor},
 howpublished={online},
 publisher={F. A. Brockhaus},
 language={ger},
 type={książka},
 title={Amerika im Kampf der Kontinente.},
 keywords={Roosevelt, Franklin Delano (1882-1945)},
}