Shannon J. Hackett, Rebecca T. Kimball, Sushma Reddy, Rauri C. K. Bowie i inni. A phylogenomic study of birds reveals their evolutionary history. „Science”. 320 (5884), s. 1763–1768, styczeń 2008. DOI: 10.1126/science.1157704. PMID: 18583609. (ang.).
Shannon J. Hackett, Rebecca T. Kimball, Sushma Reddy, Rauri C. K. Bowie i inni. A phylogenomic study of birds reveals their evolutionary history. „Science”. 320 (5884), s. 1763–1768, styczeń 2008. DOI: 10.1126/science.1157704. PMID: 18583609. (ang.).