Torpey, J. The problem of 'american exceptionalism' revisited: John Torpey. American Exceptionalism.(2010).
Lua i Stíl Chicago (17ú heag.)Torpey, John. "The Problem of 'American Exceptionalism' Revisited: John Torpey." American Exceptionalism.(2010) .
Lua MLA (8ú heag.)Torpey, John. "The Problem of 'American Exceptionalism' Revisited: John Torpey." American Exceptionalism.(2010), .
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