Costello, J. (1991). Ten days that saved the west. Bantam Press.
Lua i Stíl Chicago (17ú heag.)Costello, John. Ten Days That Saved the West. London, New York, Toronto, Sydney, Auckland: Bantam Press, 1991.
Lua MLA (8ú heag.)Costello, John. Ten Days That Saved the West. Bantam Press, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.