Sandford, K. (1962). Mark of the lion: The story of Capt. Charles Upham, V.C. and bar. Hutchinson.
Lua i Stíl Chicago (17ú heag.)Sandford, Kenneth. Mark of the Lion: The Story of Capt. Charles Upham, V.C. and Bar. London: Hutchinson, 1962.
Lua MLA (8ú heag.)Sandford, Kenneth. Mark of the Lion: The Story of Capt. Charles Upham, V.C. and Bar. Hutchinson, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.