Bragdon, H. W., & McCutchen, S. P. (1967). History of a free people (6th revised ed. Teacher's annotated ed.). Macmillan.
Lua i Stíl Chicago (17ú heag.)Bragdon, Henry W., agus Samuel Proctor McCutchen. History of a Free People. 6th revised ed. Teacher's annotated ed. New York: Macmillan, 1967.
Lua MLA (8ú heag.)Bragdon, Henry W., agus Samuel Proctor McCutchen. History of a Free People. 6th revised ed. Teacher's annotated ed. Macmillan, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.