Arcese, P.; Jongejan, G.; Sinclair, A.R.E. (1995). "Behavioural flexibility in a small African antelope: group size and composition in the oribi (Ourebia ourebi, Bovidae)". Ethology. 99 (1–2): 1–23. Bibcode:1995Ethol..99....1A. doi:10.1111/j.1439-0310.1995.tb01085.x.
Arcese, P.; Jongejan, G.; Sinclair, A.R.E. (1995). "Behavioural flexibility in a small African antelope: group size and composition in the oribi (Ourebia ourebi, Bovidae)". Ethology. 99 (1–2): 1–23. Bibcode:1995Ethol..99....1A. doi:10.1111/j.1439-0310.1995.tb01085.x.