Vannest, C. G., & Smith, H. L. (1931). Socialized history of the United States. C. Scribner's Sons.
Lua i Stíl Chicago (17ú heag.)Vannest, Charles Garrett, agus Henry Lester Smith. Socialized History of the United States. New York, Chicago [etc.]: C. Scribner's Sons, 1931.
Lua MLA (8ú heag.)Vannest, Charles Garrett, agus Henry Lester Smith. Socialized History of the United States. C. Scribner's Sons, 1931.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.