@misc{Haydn_Joseph_(1732-1809)_Sonate_[cop.,
 author={Haydn, Joseph (1732-1809)},
 address={Mainz},
 howpublished={online},
 year={[cop. 1913]},
 publisher={Edition Schott},
 language={ger},
 title={Sonate Nr 16 : As dur},
 type={druk muzyczny},
 keywords={sonata, muzyka fortepianowa},
}