Omland, Kevin E.; Lanyon, Scott M.; Fritz, Sabine J. (1999). "A Molecular Phylogeny of the New World Orioles (Icterus): The Importance of Dense Taxon Sampling". Molecular Phylogenetics and Evolution. 12 (2): 224–39. doi:10.1006/mpev.1999.0611. PMID10381325.
Omland, Kevin E.; Lanyon, Scott M.; Fritz, Sabine J. (1999). "A Molecular Phylogeny of the New World Orioles (Icterus): The Importance of Dense Taxon Sampling". Molecular Phylogenetics and Evolution. 12 (2): 224–39. doi:10.1006/mpev.1999.0611. PMID10381325.