J. Bryan Nelson: Pelicans, Cormorants, and their Relatives, s. 486-487. Oxford University Press, 2005. ISBN 0-19-857727-3. Kirja Googlen teoshaussa (viitattu 6.12.2023). (englanniksi)
iucnredlist.org
BirdLife International: Phalacrocorax ranfurlyiIUCN Red List of Threatened Species. Version 2013.2. 2012. International Union for Conservation of Nature, IUCN, Iucnredlist.org. Viitattu 5.5.2014. (englanniksi)