García-Moreno, Jaime; Navarro-Sigüenza, Adolfo G.; Peterson, A. Townsend; Sánchez-González, Luis A. (2004). Genetic variation coincides with geographic structure in the common bush-tanager (Chlorospingus ophthalmicus) complex from Mexico. Molecular Phylogenetics and Evolution. 33 (1): 186—196. doi:10.1016/j.ympev.2004.05.007. PMID15324847.
García-Moreno, Jaime; Navarro-Sigüenza, Adolfo G.; Peterson, A. Townsend; Sánchez-González, Luis A. (2004). Genetic variation coincides with geographic structure in the common bush-tanager (Chlorospingus ophthalmicus) complex from Mexico. Molecular Phylogenetics and Evolution. 33 (1): 186—196. doi:10.1016/j.ympev.2004.05.007. PMID15324847.