Bulliet, R. W. (2001). The Earth and its peoples: A global history (2nd ed.). Houghton Mifflin.
Citace podle Chicago (17th ed.)Bulliet, Richard W. The Earth and Its Peoples: A Global History. 2nd ed. Boston: Houghton Mifflin, 2001.
Citace podle MLA (9th ed.)Bulliet, Richard W. The Earth and Its Peoples: A Global History. 2nd ed. Houghton Mifflin, 2001.
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