@misc{Petrarca_Francesco_(1304-1374)_Il,
 author={Petrarca, Francesco (1304-1374)},
 howpublished={online},
 publisher={Francesi, Giovanni. Druk.},
 publisher={Comin da Trino. Druk.},
 publisher={Valgrisi, Vincenzo (15..-1572). Druk.},
 language={ita},
 type={stary druk},
 title={Il Petrarcha},
}