Lua APA (7ú heag.)

(2007). ENR 2007. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

ENR 2007. McGraw-Hill, 2007.

Lua MLA (8ú heag.)

ENR 2007. McGraw-Hill, 2007.

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