Day, D. (1991). Tolkien: The illustrated encyclopedia. Macmillan ; Maxwell Macmillan Canada ; Maxwell Macmillan International.
Lua i Stíl Chicago (17ú heag.)Day, David. Tolkien: The Illustrated Encyclopedia. New York : Toronto : New York: Macmillan ; Maxwell Macmillan Canada ; Maxwell Macmillan International, 1991.
Lua MLA (8ú heag.)Day, David. Tolkien: The Illustrated Encyclopedia. Macmillan ; Maxwell Macmillan Canada ; Maxwell Macmillan International, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.