Lua APA (7ú heag.)

Clifford, T. (2009). Rourke's World of Science ENCYCLOPEDIA: Volume 4 - Earth Science. Rourke Publishing.

Lua i Stíl Chicago (17ú heag.)

Clifford, Tim. Rourke's World of Science ENCYCLOPEDIA: Volume 4 - Earth Science. Rourke Publishing, 2009.

Lua MLA (8ú heag.)

Clifford, Tim. Rourke's World of Science ENCYCLOPEDIA: Volume 4 - Earth Science. Rourke Publishing, 2009.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.