Poland, U. (1988). World directory of biological and medical sciences libraries. K.G. Saur.
Lua i Stíl Chicago (17ú heag.)Poland, Ursula. World Directory of Biological and Medical Sciences Libraries. München ; New York: K.G. Saur, 1988.
Lua MLA (8ú heag.)Poland, Ursula. World Directory of Biological and Medical Sciences Libraries. K.G. Saur, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.