APA-referens (7:e uppl.)

Poland, U. (1988). World directory of biological and medical sciences libraries. K.G. Saur.

Chicago-referens (17:e uppl.)

Poland, Ursula. World Directory of Biological and Medical Sciences Libraries. München ; New York: K.G. Saur, 1988.

MLA-referens (8:e uppl.)

Poland, Ursula. World Directory of Biological and Medical Sciences Libraries. K.G. Saur, 1988.