(1999). DK ultimate visual dictionary: 21st century supliment (Revised American edition.). Dorling Kindersley.
Lua i Stíl Chicago (17ú heag.)DK Ultimate Visual Dictionary: 21st Century Supliment. Revised American edition. London: Dorling Kindersley, 1999.
Lua MLA (8ú heag.)DK Ultimate Visual Dictionary: 21st Century Supliment. Revised American edition. Dorling Kindersley, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.