Ryor 2004, p. 28. Ryor, Kathleen (2004), "Regulating the Qi and the Xin: Xu Wei (1521-1593) and His Military Patrons", Archives of Asian Art, 54: 23–33, doi:10.1484/aaa.2004.0003, JSTOR20111314
jstor.org
Ryor 2004, p. 28. Ryor, Kathleen (2004), "Regulating the Qi and the Xin: Xu Wei (1521-1593) and His Military Patrons", Archives of Asian Art, 54: 23–33, doi:10.1484/aaa.2004.0003, JSTOR20111314
Robinson 2013, p. 52. Robinson, David M. (2013), "Military labor in China, c. 1500", in Zürcher, Erik-Jan (ed.), Fighting for a Living: A Comparative Study of Military Labour 1500–2000, Amsterdam: Amsterdam University Press, pp. 43–80, ISBN9789089644527, JSTORj.ctt6wp6pg.5