Doran, D. (2009). Site engineers manual (Second edition.). Whittles Publishing.
Lua i Stíl Chicago (17ú heag.)Doran, David. Site Engineers Manual. Second edition. Dunbeath, Scotland: Whittles Publishing, 2009.
Lua MLA (9ú heag.)Doran, David. Site Engineers Manual. Second edition. Whittles Publishing, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.