Hassanin, Alexandre; Douzery, Emmanuel J. P. «Molecular and Morphological Phylogenies of Ruminantia and the Alternative Position of the Moschidae». Systematic Biology, 52, 2, 2003, pàg. 206–28. DOI: 10.1080/10635150390192726. PMID: 12746147.
Hassanin, Alexandre; Douzery, Emmanuel J. P. «Molecular and Morphological Phylogenies of Ruminantia and the Alternative Position of the Moschidae». Systematic Biology, 52, 2, 2003, pàg. 206–28. DOI: 10.1080/10635150390192726. PMID: 12746147.