Wagner, D. B. (1993). Iron and steel in ancient China. E.J. Brill.
Lua i Stíl Chicago (17ú heag.)Wagner, Donald B. Iron and Steel in Ancient China. Leiden, Netherlands ; New York: E.J. Brill, 1993.
Lua MLA (8ú heag.)Wagner, Donald B. Iron and Steel in Ancient China. E.J. Brill, 1993.
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