Stahl, A. M. (1999). The medal in america. American Numismatic Society.
Lua i Stíl Chicago (17ú heag.)Stahl, Alan M. The Medal in America. New York: American Numismatic Society, 1999.
Lua MLA (9ú heag.)Stahl, Alan M. The Medal in America. American Numismatic Society, 1999.
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