Spuler, B. Archivmaterialien zu Bertold Spuler, 1911-1990.
Chicago Style (17th ed.) CitationSpuler, Bertold. Archivmaterialien Zu Bertold Spuler, 1911-1990.
MLA引文Spuler, Bertold. Archivmaterialien Zu Bertold Spuler, 1911-1990.
警告:這些引文格式不一定是100%准確.