Greenberg, M. (1951). British trade and the opening of China, 1800-42. Cambrige, UK: Cambridge University Press.
Trích dẫn kiểu ChicagoGreenberg, Machael. British Trade and the Opening of China, 1800-42. Cambrige, UK: Cambridge University Press, 1951.
Deismireacht MLAGreenberg, Machael. British Trade and the Opening of China, 1800-42. Cambrige, UK: Cambridge University Press, 1951.
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