Usher, R. G. (1919). The story of the great war. Macmillan.
Lua i Stíl Chicago (17ú heag.)Usher, Roland G. The Story of the Great War. New York: Macmillan, 1919.
Lua MLA (8ú heag.)Usher, Roland G. The Story of the Great War. Macmillan, 1919.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.