Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
APA Citation Edition CitationŠčukerova, A. (2000). Skalni obekti ot Momčilgradskija rayon. Rock sites in Momchilgrad region (Southwestern Bulgaria).
Chicago Citation Edition CitationŠčukerova, Altănka. Skalni Obekti Ot Momčilgradskija Rayon. Rock Sites in Momchilgrad Region (Southwestern Bulgaria). 2000.
MLA Citation Edition CitationŠčukerova, Altănka. Skalni Obekti Ot Momčilgradskija Rayon. Rock Sites in Momchilgrad Region (Southwestern Bulgaria). 2000.