Não informado. (2008). Ophthalmology Times International. Advanstar Communications.
Lua i Stíl Chicago (17ú heag.)Não informado. Ophthalmology Times International. Cleveland, Ohio: Advanstar Communications, 2008.
Lua MLA (8ú heag.)Não informado. Ophthalmology Times International. Advanstar Communications, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.