JOHNSTON, Deborah Smith. Stearns, Peter, Michael Adas, Stuart Schwartz, Marc Jason Gilbert. World Civilizations: The Global Experience. World History Connected, [S. l.], v. 3, n. 2, 2006. DOI: 10.13021/whc.v3i2.5080. Disponível em: https://journals.gmu.edu/whc/article/view/5080. Acesso em: 5 jan. 2026.