Swain, J. W., & Armstrong, W. H. (1959). The peoples of the ancient world. Harper.
Lua i Stíl Chicago (17ú heag.)Swain, Joseph Ward, agus William Howard Armstrong. The Peoples of the Ancient World. New York: Harper, 1959.
Lua MLA (9ú heag.)Swain, Joseph Ward, agus William Howard Armstrong. The Peoples of the Ancient World. Harper, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.