@misc{Tarde_Gabriel_(1843–1904)_L'opposition,
 author={Tarde, Gabriel (1843–1904)},
 howpublished={online},
 publisher={Alcan Felix},
 language={fre},
 type={monografie},
 title={L'opposition universelle : essai d'une théorie des contraires},
 keywords={konflikt społeczny, filozofia},
}