APA (7 वां संस्करण) प्रशस्ति पत्र
Dulio, D. A. (2004). For better or worse?: How political consultants are changing elections in the United States. State University of New York Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Dulio, David A. For Better or Worse?: How Political Consultants Are Changing Elections in the United States. Albany: State University of New York Press, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Dulio, David A. For Better or Worse?: How Political Consultants Are Changing Elections in the United States. State University of New York Press, 2004.
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