Mine OM, Kedikilwe K, Ndebele RT, Nsoso SJ (July 2000). "Sheep-goat hybrid born under natural conditions". Small Ruminant Research. 37 (1–2): 141–145. doi:10.1016/S0921-4488(99)00146-7. PMID10818315.
Stewart-Scott IA, Pearce PD, Dewes HF, Thompson JW (April 1990). "A case of a sheep-goat hybrid in New Zealand". New Zealand Veterinary Journal. 38 (1): 7–9. doi:10.1080/00480169.1990.35605. PMID16031565.
Tucker EM, Denis B, Kilgour L (2009). "Blood genetic marker studies of a sheep-goat hybrid and its back-cross offspring". Animal Genetics. 20 (2): 179–86. doi:10.1111/j.1365-2052.1989.tb00855.x. PMID2757269.
Mine OM, Kedikilwe K, Ndebele RT, Nsoso SJ (July 2000). "Sheep-goat hybrid born under natural conditions". Small Ruminant Research. 37 (1–2): 141–145. doi:10.1016/S0921-4488(99)00146-7. PMID10818315.
Stewart-Scott IA, Pearce PD, Dewes HF, Thompson JW (April 1990). "A case of a sheep-goat hybrid in New Zealand". New Zealand Veterinary Journal. 38 (1): 7–9. doi:10.1080/00480169.1990.35605. PMID16031565.
Tucker EM, Denis B, Kilgour L (2009). "Blood genetic marker studies of a sheep-goat hybrid and its back-cross offspring". Animal Genetics. 20 (2): 179–86. doi:10.1111/j.1365-2052.1989.tb00855.x. PMID2757269.