Dean, D. (1968). The broken spur. Herbert Jenkins.
Lua i Stíl Chicago (17ú heag.)Dean, Dudley. The Broken Spur. London: Herbert Jenkins, 1968.
Lua MLA (8ú heag.)Dean, Dudley. The Broken Spur. Herbert Jenkins, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.