Ellis, E. G., Esler, A., & Beers, B. F. (2009). Prentice Hall world history. Illinois (Illinois ed.). Pearson Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Ellis, Elisabeth Gaynor, Anthony Esler, agus Burton F. Beers. Prentice Hall World History. Illinois. Illinois ed. Upper Saddle River, N.J.: Pearson Prentice Hall, 2009.
Lua MLA (8ú heag.)Ellis, Elisabeth Gaynor, et al. Prentice Hall World History. Illinois. Illinois ed. Pearson Prentice Hall, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.