(1940). OVERSTROMING VAN DE DONAU EN IJSGANG. Polygoon-Profilti.
Chicago Style (17th ed.) CitationOVERSTROMING VAN DE DONAU EN IJSGANG. Netherlands: Polygoon-Profilti, 1940.
MLA (9th ed.) CitationOVERSTROMING VAN DE DONAU EN IJSGANG. Polygoon-Profilti, 1940.
Warning: These citations may not always be 100% accurate.