Παραπομπή σε μορφή APA (7η εκδ.)

Pennington, R., & Harpending, H. (1993). The structure of an African pastoralist community: Demography, history, and ecology of the Ngamiland Herero. Clarendon Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Pennington, Renee, και Henry Harpending. The Structure of an African Pastoralist Community: Demography, History, and Ecology of the Ngamiland Herero. Oxford: Clarendon Press, 1993.

Παραπομπή σε μορφή MLA (9th εκδ.)

Pennington, Renee, και Henry Harpending. The Structure of an African Pastoralist Community: Demography, History, and Ecology of the Ngamiland Herero. Clarendon Press, 1993.