Lua APA (7ú heag.)
Allen, W. L. National Geographic: Vol. 206, no. 1, July 2004. National Geographic Society.
Lua i Stíl Chicago (17ú heag.)
Allen, William L. National Geographic: Vol. 206, No. 1, July 2004. Washington, EUA: National Geographic Society.
Lua MLA (9ú heag.)
Allen, William L. National Geographic: Vol. 206, No. 1, July 2004. National Geographic Society.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.