Haas, J. (1990). Wildwasserperlen. Südkurier.
Chicago Style (17th ed.) CitationHaas, Josef. Wildwasserperlen. Konstanz: Südkurier, 1990.
MLA (9th ed.) CitationHaas, Josef. Wildwasserperlen. Südkurier, 1990.
Warning: These citations may not always be 100% accurate.