Flynn, Dennis O.; Giraldez, Arturo (1995). "Arbitrage, China, and World Trade in the Early Modern Period". Journal of the Economic and Social History of the Orient. 38 (4): 429-448. doi:10.1163/1568520952600308. JSTOR3632434.
Needham, Joseph (1956). "Mathematics and Science in China and the West". Science & Society. 20 (4): 320-343. JSTOR40400462. ProQuest1296937594.
Flynn, Dennis O.; Giraldez, Arturo (1995). "Arbitrage, China, and World Trade in the Early Modern Period". Journal of the Economic and Social History of the Orient. 38 (4): 429-448. doi:10.1163/1568520952600308. JSTOR3632434.
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Needham, Joseph (1956). "Mathematics and Science in China and the West". Science & Society. 20 (4): 320-343. JSTOR40400462. ProQuest1296937594.