Vergari, S. Contemporary populism in the United States. Political Populism : a handbook.
Lua i Stíl Chicago (17ú heag.)Vergari, Sandra. "Contemporary Populism in the United States." Political Populism : A Handbook .
Lua MLA (8ú heag.)Vergari, Sandra. "Contemporary Populism in the United States." Political Populism : A Handbook, .
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