Crew, C., Bron, A., & James, B. (2005). Lecture Notes Oftamologi. Erlangga.
Lua i Stíl Chicago (17ú heag.)Crew, Chris, Athony Bron, agus Bruce James. Lecture Notes Oftamologi. Erlangga, 2005.
Lua MLA (9ú heag.)Crew, Chris, et al. Lecture Notes Oftamologi. Erlangga, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.