Studemund, W. Archivmaterialien zu Wilhelm Studemund, 1843-1889.
芝加哥风格引文Studemund, Wilhelm. Archivmaterialien Zu Wilhelm Studemund, 1843-1889.
MLA引文Studemund, Wilhelm. Archivmaterialien Zu Wilhelm Studemund, 1843-1889.
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APA引文