Korber, L. (1988). Steif und fest. Coq International.
Chicago Style (17th ed.) CitationKorber, Leo. Steif Und Fest. Holbaek: Coq International, 1988.
MLA (8th ed.) CitationKorber, Leo. Steif Und Fest. Coq International, 1988.
Warning: These citations may not always be 100% accurate.