Tohutoro APA (7th ed.)
Guggenberg, O. v., & Lutz, W. (1919). Die Tiroler Frage.
Tohutoru Kātū Chicago (17th ed.)
Guggenberg, Otto v., me Walter Lutz. Die Tiroler Frage. Bern, 1919.
Tohutoro MLA (9th ed.)
Guggenberg, Otto v., me Walter Lutz. Die Tiroler Frage. 1919.
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