"Friedrich, C. J. C. (1954). From the declaration of independence to the constitution: The roots of american constitutionalism. Liberal Arts Press.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি"Friedrich, Carl J.ed.;Mc Closkey. From the Declaration of Independence to the Constitution: The Roots of American Constitutionalism. Liberal Arts Press, 1954.
M.L.A (9 ম সংস্করণ) উদ্ধৃতি"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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