Anderson, MJ (2000). "Penile Morphology and Classification of Bush Babies (Family Galagoninae)". International Journal of Primatology. 5. 21 (5): 815–836. doi:10.1023/A:1005542609002. S2CID9983759.
Anderson, MJ (2000). "Penile Morphology and Classification of Bush Babies (Family Galagoninae)". International Journal of Primatology. 5. 21 (5): 815–836. doi:10.1023/A:1005542609002. S2CID9983759.