Tohutoro APA (7th ed.)
Eisner, K. (1915). Treibende Kräfte.
Tohutoru Kātū Chicago (17th ed.)
Eisner, Kurt. Treibende Kräfte. Berlin, 1915.
Tohutoro MLA (9th ed.)
Eisner, Kurt. Treibende Kräfte. 1915.
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