@misc{Sikorski_Władysław_(1881-1943)_Modern,
 author={Sikorski, Władysław (1881-1943)},
 howpublished={online},
 publisher={Hutchinson & Co},
 language={eng},
 type={książka},
 title={Modern warfare : its character its problems},
 keywords={wojna, straregia, 20 w.},
}