Trích dẫn APA

Albers, G., Andrés Santos, F. J. ,., Baldus, C., Dedek, H., Engel, A., Hähnchen, S., . . . Schild, M. ([2011]). Vertragstypen in Europa. Title is part of eBook package: De Gruyter DGBA Law - 2000 - 2014. doi:10.1515/9783866539532

Trích dẫn kiểu Chicago

Albers, Gregor,, et al. "Vertragstypen in Europa." Title Is Part of EBook Package: De Gruyter DGBA Law - 2000 - 2014 [2011].

Trích dẫn MLA

Albers, Gregor,, et al. "Vertragstypen in Europa." Title Is Part of EBook Package: De Gruyter DGBA Law - 2000 - 2014 [2011].