Li, Q.; Liu, Z.; Li, Y.; Zhao, X.; Dong, L.; Pan, Z.; Sun, Y.; Li, N.; Xu, Y.; Xie, Z. (2008). "Origin and phylogenetic analysis of Tibetan mastiff based on the mitochondrial DNA sequence". Journal of Genetics and Genomics. 35 (6): 335–340. doi:10.1016/S1673-8527(08)60049-1. PMID18571121.
Li, Q.; Liu, Z.; Li, Y.; Zhao, X.; Dong, L.; Pan, Z.; Sun, Y.; Li, N.; Xu, Y.; Xie, Z. (2008). "Origin and phylogenetic analysis of Tibetan mastiff based on the mitochondrial DNA sequence". Journal of Genetics and Genomics. 35 (6): 335–340. doi:10.1016/S1673-8527(08)60049-1. PMID18571121.