@misc{Lenin_Vladimir_Il'ič_(1870-1924)_Marks,,
 author={Lenin, Vladimir Il'ič (1870-1924)},
 address={Moskwa},
 howpublished={online},
 publisher={Wydawnictwo Partyjne},
 language={pol},
 language={rus},
 title={Marks, Engels, marksizm},
 type={książka},
}