Breyer, D. H. (1986). Dosis facit venenum. Georg Thieme.
Lua i Stíl Chicago (17ú heag.)Breyer, Dr. Harald. Dosis Facit Venenum. Leipzig: Georg Thieme, 1986.
Lua MLA (8ú heag.)Breyer, Dr. Harald. Dosis Facit Venenum. Georg Thieme, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.