APA-referens (7:e uppl.)

Carl J. Friedrich, R. G. M. From the declaration of independence to the constitution The roots of American constitutionalism. The Liberal Arts Press.

Chicago-referens (17:e uppl.)

Carl J. Friedrich, Robert G. McCloskey. From the Declaration of Independence to the Constitution The Roots of American Constitutionalism. The Liberal Arts Press.

MLA-referens (8:e uppl.)

Carl J. Friedrich, Robert G. McCloskey. From the Declaration of Independence to the Constitution The Roots of American Constitutionalism. The Liberal Arts Press.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.