Willson, M. (1866). Outlines of history: Ancient history. : Modern history.
Citazione stile Chigago Style (17a edizione)Willson, Marcius. Outlines of History: Ancient History. : Modern History. New York, 1866.
Citatione MLA (9a ed.)Willson, Marcius. Outlines of History: Ancient History. : Modern History. 1866.
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