APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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