Pereira, Sérgio Luiz; Baker, Allan J., & Wajntal, Anita (2002): Combined nuclear and mitochondrial DNA sequences resolve generic relationships within the Cracidae (Galliformes, Aves). Systematic Biology51(6): 946–958. doi:10.1080/10635150290102519PMID12554460PDF fulltext
del Hoyo, J. and G. M. Kirwan (2020). Horned Guan (Oreophasis derbianus), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.horgua1.01 retrieved April 7, 2024