Paton, D. (1985). Introduction to ophthalmoscopy.
Lua i Stíl Chicago (17ú heag.)Paton, David. Introduction to Ophthalmoscopy. 1985.
Lua MLA (9ú heag.)Paton, David. Introduction to Ophthalmoscopy. 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.