Lua APA (7ú heag.)
ebrary, Inc, Tingay, R. E., & Katzner, T. E. (2010). The eagle watchers: Observing and conserving raptors around the world. Comstock Pub. Associates.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, Ruth E. Tingay, agus Todd E. Katzner. The Eagle Watchers: Observing and Conserving Raptors Around the World. Ithaca: Comstock Pub. Associates, 2010.
Lua MLA (9ú heag.)
ebrary, Inc, et al. The Eagle Watchers: Observing and Conserving Raptors Around the World. Comstock Pub. Associates, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.