Gemmell, D. (1989). The last guardian: The stones of power. Del Rey Books.
Lua i Stíl Chicago (17ú heag.)Gemmell, David. The Last Guardian: The Stones of Power. New York: Del Rey Books, 1989.
Lua MLA (8ú heag.)Gemmell, David. The Last Guardian: The Stones of Power. Del Rey Books, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.