Rothrock, G. A., & Jones, T. B. (1975). Europe: A brief history (Rev. and expanded 2nd ed.). Rand McNally College Pub. Co..
Lua i Stíl Chicago (17ú heag.)Rothrock, George A., agus Tom Bard Jones. Europe: A Brief History. Rev. and expanded 2nd ed. Chicago: Rand McNally College Pub. Co., 1975.
Lua MLA (9ú heag.)Rothrock, George A., agus Tom Bard Jones. Europe: A Brief History. Rev. and expanded 2nd ed. Rand McNally College Pub. Co., 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.