APA-referens (7:e uppl.)
ebrary, Inc, Tingay, R. E., & Katzner, T. E. (2010). The eagle watchers: Observing and conserving raptors around the world. Comstock Pub. Associates.
Chicago-referens (17:e uppl.)
ebrary, Inc, Ruth E. Tingay, och Todd E. Katzner. The Eagle Watchers: Observing and Conserving Raptors Around the World. Ithaca: Comstock Pub. Associates, 2010.
MLA-referens (9:e uppl.)
ebrary, Inc, et al. The Eagle Watchers: Observing and Conserving Raptors Around the World. Comstock Pub. Associates, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.