World Book, Inc. (1988). Book of nations. World Book.
Lua i Stíl Chicago (17ú heag.)World Book, Inc. Book of Nations. Chicago: World Book, 1988.
Lua MLA (9ú heag.)World Book, Inc. Book of Nations. World Book, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.