Patterson, R. N. Balance of Power. Ballantine Books.
Lua i Stíl Chicago (17ú heag.)Patterson, Richard North. Balance of Power. Ballantine Books.
Lua MLA (8ú heag.)Patterson, Richard North. Balance of Power. Ballantine Books.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.