Fuchs, H. E., & Duane, A. (1919). Text-book of ophthalmology (6th ed.). J. B. Lippincott company.
Lua i Stíl Chicago (17ú heag.)Fuchs, Hofrat Ernst, agus A. Duane. Text-book of Ophthalmology. 6th ed. Philadelphia & London: J. B. Lippincott company, 1919.
Lua MLA (8ú heag.)Fuchs, Hofrat Ernst, agus A. Duane. Text-book of Ophthalmology. 6th ed. J. B. Lippincott company, 1919.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.