Toynbee, A. J. (1987). A study of history: Abridgement of volumes vii-x. Oxford University.
Lua i Stíl Chicago (17ú heag.)Toynbee, Arnold J. A Study of History: Abridgement of Volumes Vii-x. New York: Oxford University, 1987.
Lua MLA (9ú heag.)Toynbee, Arnold J. A Study of History: Abridgement of Volumes Vii-x. Oxford University, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.