Santee, R. (1950). Cowboy. Pocket book.
Lua i Stíl Chicago (17ú heag.)Santee, Ross. Cowboy. Canada: Pocket book, 1950.
Lua MLA (9ú heag.)Santee, Ross. Cowboy. Pocket book, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.