APA-čujuhus (7. p.)
ebrary, Inc, Wittfogel, K. A., & Ulmen, G. L. (1978). Society and history: Essays in honor of Karl August Wittfogel. Mouton.
Chicago-čujuhus (17. p.)
ebrary, Inc, Karl August Wittfogel, juo G. L. Ulmen. Society and History: Essays in Honor of Karl August Wittfogel. The Hague: Mouton, 1978.
MLA-čujuhus (9. p.)
ebrary, Inc, et al. Society and History: Essays in Honor of Karl August Wittfogel. Mouton, 1978.
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