Grobler, J. P.; Rushworth, I.; Brink, J. S.; Bloomer, P.; Kotze, A.; Reilly, B.; Vrahimis, S. (5. avgust 2011). »Management of hybridization in an endemic species: decision making in the face of imperfect information in the case of the black wildebeest—Connochaetes gnou«. European Journal of Wildlife Research. 57 (5): 997–1006. doi:10.1007/s10344-011-0567-1. hdl:2263/19462. ISSN1439-0574. S2CID23964988.
Grobler, J. P.; Rushworth, I.; Brink, J. S.; Bloomer, P.; Kotze, A.; Reilly, B.; Vrahimis, S. (5. avgust 2011). »Management of hybridization in an endemic species: decision making in the face of imperfect information in the case of the black wildebeest—Connochaetes gnou«. European Journal of Wildlife Research. 57 (5): 997–1006. doi:10.1007/s10344-011-0567-1. hdl:2263/19462. ISSN1439-0574. S2CID23964988.
Grobler, J. P.; Rushworth, I.; Brink, J. S.; Bloomer, P.; Kotze, A.; Reilly, B.; Vrahimis, S. (5. avgust 2011). »Management of hybridization in an endemic species: decision making in the face of imperfect information in the case of the black wildebeest—Connochaetes gnou«. European Journal of Wildlife Research. 57 (5): 997–1006. doi:10.1007/s10344-011-0567-1. hdl:2263/19462. ISSN1439-0574. S2CID23964988.
Grobler, J. P.; Rushworth, I.; Brink, J. S.; Bloomer, P.; Kotze, A.; Reilly, B.; Vrahimis, S. (5. avgust 2011). »Management of hybridization in an endemic species: decision making in the face of imperfect information in the case of the black wildebeest—Connochaetes gnou«. European Journal of Wildlife Research. 57 (5): 997–1006. doi:10.1007/s10344-011-0567-1. hdl:2263/19462. ISSN1439-0574. S2CID23964988.