Johnson K.P. & Clayton D.H. (2000).: Nuclear and mitochondrial genes contain similar phylogenetic signal for Pigeons and Doves (Aves: Columbiformes). PDFArhivirano 2011-05-18 na Wayback Machine. Molecular Phylogenetics and Evolution 14(1): 141–151.
Johnson K.P. & Clayton D.H. (2000).: Nuclear and mitochondrial genes contain similar phylogenetic signal for Pigeons and Doves (Aves: Columbiformes). PDFArhivirano 2011-05-18 na Wayback Machine. Molecular Phylogenetics and Evolution 14(1): 141–151.