Schalk, F. (2019). Archivmaterialien zu Fritz Schalk, 1902-1980.
Chicago Style (17th ed.) CitationSchalk, Fritz. Archivmaterialien Zu Fritz Schalk, 1902-1980. 2019.
MLA引文Schalk, Fritz. Archivmaterialien Zu Fritz Schalk, 1902-1980. 2019.
警告:這些引文格式不一定是100%准確.