Elder, D. C., & Shaughnessy, M. F. (2018). The greatest events in American history. Cambridge Scholars Publishing.
Cita Chicago Style (17a ed.)Elder, Donald C., y Michael F. Shaughnessy. The Greatest Events in American History. Newcastle upon Tyne, England: Cambridge Scholars Publishing, 2018.
Cita MLA (9a ed.)Elder, Donald C., y Michael F. Shaughnessy. The Greatest Events in American History. Cambridge Scholars Publishing, 2018.
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