Strong, C. F. (1949). Modern political constitutions: An introduction to the comparative study of their history and existing form. Sidgwick & Jackson.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStrong, Charles Frederick. Modern Political Constitutions: An Introduction to the Comparative Study of Their History and Existing Form. London: Sidgwick & Jackson, 1949.
एमएलए (9वां संस्करण) प्रशस्ति पत्रStrong, Charles Frederick. Modern Political Constitutions: An Introduction to the Comparative Study of Their History and Existing Form. Sidgwick & Jackson, 1949.
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