Coba jelasin Lihat juga dari Sinosentrisme dalam bahasa melayu dong

Maharaja di negeri sendiri, raja di negeri orang

Senarai penerima ufti dari China

Kang, David C. (2010). East Asia Before the West: Five Centuries of Trade and Tribute. New York : Columbia University Press. /; OCLC 562768984

Shelach, Gideon (1999). [https://books.google.com/books?id=n_-8NnuSwC8C Leadership Strategies, Economic Activity, and Interregional Interaction]: Social Complexity in Northeast China. Springer. ,

von Falkenhausen, Lothar. "The Waning of the Bronze Age: Material Culture and Social Developments, 770–481 B.C." In Michael Loewe and Edward L. Shaughnessy (editors), The Cambridge History of Ancient China: From the Origins of Civilization to 221 B.C.'', pp. 450–544. Cambridge, England: Cambridge University Press. /.