Engel, H. ([2020]). Johann Sebastian Bach Title is part of eBook package: De Gruyter DGBA Architecture, Design and Arts <1990. doi:10.1515/9783111465494
Chicago Style aipamenaEngel, Hans. "Johann Sebastian Bach." Title Is Part of EBook Package: De Gruyter DGBA Architecture, Design and Arts <1990 [2020].
MLA aipamenaEngel, Hans. "Johann Sebastian Bach." Title Is Part of EBook Package: De Gruyter DGBA Architecture, Design and Arts <1990 [2020].
Kontuz: berrikusi erreferentzia hauek erabili aurretik.