Spielvogel, J. A. (1999). World history to 1800. Cincinnati, Ohio: West Educational Publishing.
Trích dẫn kiểu ChicagoSpielvogel, Jackson A. World History to 1800. Cincinnati, Ohio: West Educational Publishing, 1999.
MLA CitationSpielvogel, Jackson A. World History to 1800. Cincinnati, Ohio: West Educational Publishing, 1999.
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