Tohutoro APA (7th ed.)
Greilach, S. (1903). Zur Quadratur des Kreises.
Tohutoru Kātū Chicago (17th ed.)
Greilach, Severin. Zur Quadratur Des Kreises. St. Paul, 1903.
Tohutoro MLA (9th ed.)
Greilach, Severin. Zur Quadratur Des Kreises. 1903.
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