Não informado. (1994). Annals of Ophthalmology. Glaucoma. American Society of Contemporary Ophthalmology.
Lua i Stíl Chicago (17ú heag.)Não informado. Annals of Ophthalmology. Glaucoma. Skokie, Ill: American Society of Contemporary Ophthalmology, 1994.
Lua MLA (8ú heag.)Não informado. Annals of Ophthalmology. Glaucoma. American Society of Contemporary Ophthalmology, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.