Hansen, V. (2000). The open empire: A history of China to 1600. Norton.
Cita Chicago (17th ed.)Hansen, Valerie. The Open Empire: A History of China to 1600. New York: Norton, 2000.
Cita MLA (8th ed.)Hansen, Valerie. The Open Empire: A History of China to 1600. Norton, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.