References
^ McKay, John P.; Hill, Bennett D.; Buckler, John; Beck, Roger B.; Crowston, Clare Haru; Buckley Ebrey (2015). A History of World Societies, Volume C: 1775 to the Present, Bedford/St. Martin's. BiggerBooks. ISBN 9780312666965 (revised Nov 2023)^ (2013). History of World Societies Vol. C : From 1775 to the Present ECampus. ISBN 9780312666965 (revised Sep 2016)
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