Boyd, J. P., & Gawalt, G. W. (1999). The Declaration of Independence: The evolution of the text (Rev. ed.). International Center for Jefferson Studies at Monticello in association with the Library of Congress.
Chicago Style (17th ed.) ZitazioaBoyd, Julian P., eta Gerard W. Gawalt. The Declaration of Independence: The Evolution of the Text. Rev. ed. Charlottesville: International Center for Jefferson Studies at Monticello in association with the Library of Congress, 1999.
MLA (9th ed.) ZitazioaBoyd, Julian P., eta Gerard W. Gawalt. The Declaration of Independence: The Evolution of the Text. Rev. ed. International Center for Jefferson Studies at Monticello in association with the Library of Congress, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.