Williams, H. S. (1907). The historians' history of the world: A comprehensive narrative of the rise and development of nations from the earliest times as recorded by over two thousand of the great writers of all ages. Encyclopaedia britannica.
Lua i Stíl Chicago (17ú heag.)Williams, Henry Smith. The Historians' History of the World: A Comprehensive Narrative of the Rise and Development of Nations from the Earliest Times as Recorded by over Two Thousand of the Great Writers of All Ages. London, New York: Encyclopaedia britannica, 1907.
Lua MLA (9ú heag.)Williams, Henry Smith. The Historians' History of the World: A Comprehensive Narrative of the Rise and Development of Nations from the Earliest Times as Recorded by over Two Thousand of the Great Writers of All Ages. Encyclopaedia britannica, 1907.