Swiggett, G. L. Engineering.
Lua i Stíl Chicago (17ú heag.)Swiggett, Glen Levin. Engineering.
Lua MLA (8ú heag.)Swiggett, Glen Levin. Engineering.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)