Bulliet, R. W., Johnson, L. L., & Hirsch, S. W. (2024). The earth and its peoples: A global history (Eight edition.). Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Bulliet, RIchard W., Lyman L. Johnson, agus Steven W. Hirsch. The Earth and Its Peoples: A Global History. Eight edition. Mason, Ohio: Cengage Learning, 2024.
Lua MLA (9ú heag.)Bulliet, RIchard W., et al. The Earth and Its Peoples: A Global History. Eight edition. Cengage Learning, 2024.
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