Παραπομπή σε μορφή APA (7η εκδ.)

Stephens, P., d'Sa, C., Sillero-Zubiri, C., & Leader-Williams, N. (2001). Impact of livestock and settlement on the large mammalian wildlife of Bale Mountains National Park, southern Ethiopia.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Stephens, P., C. d'Sa, C. Sillero-Zubiri, και N. Leader-Williams. Impact of Livestock and Settlement on the Large Mammalian Wildlife of Bale Mountains National Park, Southern Ethiopia. 2001.

Παραπομπή σε μορφή MLA (9th εκδ.)

Stephens, P., et al. Impact of Livestock and Settlement on the Large Mammalian Wildlife of Bale Mountains National Park, Southern Ethiopia. 2001.