Wallach, P. Drafting. Glencoe Publishing.
Lua i Stíl Chicago (17ú heag.)Wallach, Paul. Drafting. Glencoe Publishing.
Lua MLA (8ú heag.)Wallach, Paul. Drafting. Glencoe Publishing.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.