Nash, G. B., & Schultz, R. (1994). Retracing the past: Readings in the history of the American people (3rd ed.). HarperCollinsCollege.
Lua i Stíl Chicago (17ú heag.)Nash, Gary B., agus Ronald Schultz. Retracing the Past: Readings in the History of the American People. 3rd ed. New York: HarperCollinsCollege, 1994.
Lua MLA (8ú heag.)Nash, Gary B., agus Ronald Schultz. Retracing the Past: Readings in the History of the American People. 3rd ed. HarperCollinsCollege, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.