Codling, S. (1998). Benchmarking. Gower.
Lua i Stíl Chicago (17ú heag.)Codling, Sylvia. Benchmarking. Aldershot, Hants., Eng: Gower, 1998.
Lua MLA (9ú heag.)Codling, Sylvia. Benchmarking. Gower, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.