Shelley, F. M. Structure, stability and section in American politics. Butterworth & Co.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रShelley, Fred M. Structure, Stability and Section in American Politics. s.l: Butterworth & Co.
एमएलए (9वां संस्करण) प्रशस्ति पत्रShelley, Fred M. Structure, Stability and Section in American Politics. Butterworth & Co.
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