Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Penkova, E. (2003). Orfic graffito on a bone plate from Olbia. Bulgarian Academy of Sciences.

Chicago Citation Edition Citation

Penkova, Elka. Orfic Graffito on a Bone Plate from Olbia. Sofia: Bulgarian Academy of Sciences, 2003.

MLA Citation Edition Citation

Penkova, Elka. Orfic Graffito on a Bone Plate from Olbia. Bulgarian Academy of Sciences, 2003.