Tohutoro APA (7th ed.)
Gumplowicz, M. (1898). Zur Geschichte Polens im Mittelalter.
Tohutoru Kātū Chicago (17th ed.)
Gumplowicz, Max. Zur Geschichte Polens Im Mittelalter. Innsbruck, 1898.
Tohutoro MLA (9th ed.)
Gumplowicz, Max. Zur Geschichte Polens Im Mittelalter. 1898.
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