APA (7 वां संस्करण) प्रशस्ति पत्र
Boehmke, F. J. (2005). The Indirect Effect of Direct Legislation: How Institutions Shape Interest Group Systems. Ohio State University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Boehmke, Frederick J. The Indirect Effect of Direct Legislation: How Institutions Shape Interest Group Systems. Columbus: Ohio State University Press, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Boehmke, Frederick J. The Indirect Effect of Direct Legislation: How Institutions Shape Interest Group Systems. Ohio State University Press, 2005.
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