@misc{Adamkiewicz_Sebastian_Historia,
 author={Adamkiewicz, Sebastian and Sikała, Karolina},
 howpublished={online},
 publisher={PROMOHISTORIA (Histmag.rog)},
 language={pol},
 title={Historia : poradnik maturalny},
 type={e-książka},
 keywords={historia},
}