"Friedrich, C. J. C. (1954). From the declaration of independence to the constitution: The roots of american constitutionalism. Liberal Arts Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Friedrich, Carl J.ed.;Mc Closkey. From the Declaration of Independence to the Constitution: The Roots of American Constitutionalism. Liberal Arts Press, 1954.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Friedrich, Carl J.ed.;Mc Closkey. From the Declaration of Independence to the Constitution: The Roots of American Constitutionalism. Liberal Arts Press, 1954.
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