Sielaff, C. (1988). Hierarchie über Relationengebilden.
Chicago Style (17th ed.) CitationSielaff, Christian. Hierarchie über Relationengebilden. 1988.
MLA (9th ed.) CitationSielaff, Christian. Hierarchie über Relationengebilden. 1988.
Warning: These citations may not always be 100% accurate.