Burke, W. (1974). Silver: End of an era. San Francisco, CA: Federal Reserve Bank of San Francisco.
Trích dẫn kiểu ChicagoBurke, William. Silver: End of an Era. San Francisco, CA: Federal Reserve Bank of San Francisco, 1974.
Deismireacht MLABurke, William. Silver: End of an Era. San Francisco, CA: Federal Reserve Bank of San Francisco, 1974.
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