Wallbank, T., Bailkey, N. M., Mancall, M., & Taylor,M Alastair. (1970). Civilization past & present: Book one Prehistory to 1500 (6th ed.). Scott, Foresman and company.
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Chicago-čujuhus (17. p.)
Wallbank, T.Walter, Nels M. Bailkey, Mark Mancall, juo Taylor,M Alastair. Civilization Past & Present: Book One Prehistory to 1500. 6th ed. Dallas: Scott, Foresman and company, 1970.
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MLA-čujuhus (9. p.)
Wallbank, T.Walter, et al. Civilization Past & Present: Book One Prehistory to 1500. 6th ed. Scott, Foresman and company, 1970.
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