Lua APA (7ú heag.)

Não informado. (2003). Engineering and contracting. Gillette Publishing Company.

Lua i Stíl Chicago (17ú heag.)

Não informado. Engineering and Contracting. Hammond, Ind: Gillette Publishing Company, 2003.

Lua MLA (8ú heag.)

Não informado. Engineering and Contracting. Gillette Publishing Company, 2003.

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