Não informado. (1969). Annals of Ophthalmology. American Society of Contemporary Ophthalmology.
Lua i Stíl Chicago (17ú heag.)Não informado. Annals of Ophthalmology. Ridgefield, Conn: American Society of Contemporary Ophthalmology, 1969.
Lua MLA (8ú heag.)Não informado. Annals of Ophthalmology. American Society of Contemporary Ophthalmology, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.