Lua APA (7ú heag.)

Beard, C. A., & Bagley, W. C. (1925). Our old world background (Rev. ed.). The Macmillan Company.

Lua i Stíl Chicago (17ú heag.)

Beard, Charles A., agus William C. Bagley. Our Old World Background. Rev. ed. New York: The Macmillan Company, 1925.

Lua MLA (8ú heag.)

Beard, Charles A., agus William C. Bagley. Our Old World Background. Rev. ed. The Macmillan Company, 1925.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.