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Buijs D, Venter JA, Parrini F, Relton C. Initials: A conservation assessment of Tragelaphus oryx. [w:] Child MF, Roxburgh L, Do Linh San E, Raimondo D, Davies-Mostert HT, editors. The Red List of Mammals of South Africa, Swaziland and Lesotho [on-line]. South African National Biodiversity Institute and Endangered Wildlife Trust, 2016. [dostęp 2017-12-10]. [zarchiwizowane z tego adresu (11 grudnia 2017)].
