Molecular Support for Species Status of the Nazca Booby (Sula granti)v. 119No. 3American Ornithologists’ Union820–826
Friesen, V. L., Anderson, D. J., Steeves, T. E., Jones, H., and Schreiber, Elizabeth Anne. 2002. "Molecular Support for Species Status of the Nazca Booby (Sula granti)." The Auk, 119, (3) 820–826.