Friedrichsohn, M. (1998). Bewährte Struktur. NTI.
Chicago Style (17th ed.) CitationFriedrichsohn, Michael. "Bewährte Struktur." NTI 1998.
MLA (8th ed.) CitationFriedrichsohn, Michael. "Bewährte Struktur." NTI, 1998.
Warning: These citations may not always be 100% accurate.