TheOneRing.net (Firm), Broadway, C., & Challis, E. (2003). The people's guide to J.R.R. Tolkien. Cold Spring Press.
Lua i Stíl Chicago (17ú heag.)TheOneRing.net (Firm), Cliff Broadway, agus Erica Challis. The People's Guide to J.R.R. Tolkien. Cold Spring Harbor, NY: Cold Spring Press, 2003.
Lua MLA (8ú heag.)TheOneRing.net (Firm), et al. The People's Guide to J.R.R. Tolkien. Cold Spring Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.