Vincent, J. M. (1900). Government in Switzerland. The Macmillan company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVincent, John Martin. Government in Switzerland. New York: The Macmillan company, 1900.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVincent, John Martin. Government in Switzerland. The Macmillan company, 1900.
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