Παραπομπή σε μορφή APA (7η εκδ.)

ebrary, Inc, Tingay, R. E., & Katzner, T. E. (2010). The eagle watchers: Observing and conserving raptors around the world. Comstock Pub. Associates.

Παραπομπή σε μορφή Chicago (17η εκδ.)

ebrary, Inc, Ruth E. Tingay, και Todd E. Katzner. The Eagle Watchers: Observing and Conserving Raptors Around the World. Ithaca: Comstock Pub. Associates, 2010.

Παραπομπή σε μορφή MLA (9th εκδ.)

ebrary, Inc, et al. The Eagle Watchers: Observing and Conserving Raptors Around the World. Comstock Pub. Associates, 2010.