(1994). Steine und Minerale. Ravensburger Buchverl.
Chicago Style (17th ed.) CitationSteine Und Minerale. Ravensburg: Ravensburger Buchverl, 1994.
MLA (9th ed.) CitationSteine Und Minerale. Ravensburger Buchverl, 1994.
Warning: These citations may not always be 100% accurate.