Tohutoro APA (7th ed.)
Franzel, E. (1951). 1870-1950. Geschichte unserer Zeit. Oldenbourg.
Tohutoru Kātū Chicago (17th ed.)
Franzel, Emil. 1870-1950. Geschichte Unserer Zeit. München: Oldenbourg, 1951.
Tohutoro MLA (9th ed.)
Franzel, Emil. 1870-1950. Geschichte Unserer Zeit. Oldenbourg, 1951.
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