Barker, E. C., Webb, W. P., & Dodd, W. E. (1937). The story of our nation: The United States of America. Row, Peterson and Co..
Lua i Stíl Chicago (17ú heag.)Barker, Eugene Campbell, Walter Prescott Webb, agus William Edward Dodd. The Story of Our Nation: The United States of America. Evanston, Ill. : New York [etc.]: Row, Peterson and Co., 1937.
Lua MLA (8ú heag.)Barker, Eugene Campbell, et al. The Story of Our Nation: The United States of America. Row, Peterson and Co., 1937.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.