Orta, J; Christie, D; Jutglar, F; Kirwan, G. M. (2019). del Hoyo, Josep; Elliott, Andrew; Sargatal, Jordi; Christie, David A; de Juana, Eduardo (eds.). "Chatham Shag (Leucocarbo onslowi)". Handbook of the Birds of the World Alive. Barcelona: Lynx Edicions. doi:10.2173/bow.chisha1.01.1. S2CID242270837. Retrieved 25 March 2019.
Kennedy, Martyn; Spencer, Hamish G. (October 2014). "Classification of the cormorants of the world". Molecular Phylogenetics and Evolution. 79: 249–257. doi:10.1016/j.ympev.2014.06.020. PMID24994028.[dead link]
Jobling, J. A. (2019). del Hoyo, J.; Elliott, A.; Christie, D.; Sargatal, J. (eds.). "Key to Scientific Names in Ornithology". Handbook of the Birds of the World Alive. Barcelona: Lynx Edicions. Retrieved 25 March 2019.
Orta, J; Christie, D; Jutglar, F; Kirwan, G. M. (2019). del Hoyo, Josep; Elliott, Andrew; Sargatal, Jordi; Christie, David A; de Juana, Eduardo (eds.). "Chatham Shag (Leucocarbo onslowi)". Handbook of the Birds of the World Alive. Barcelona: Lynx Edicions. doi:10.2173/bow.chisha1.01.1. S2CID242270837. Retrieved 25 March 2019.
Kennedy, Martyn; Spencer, Hamish G. (October 2014). "Classification of the cormorants of the world". Molecular Phylogenetics and Evolution. 79: 249–257. doi:10.1016/j.ympev.2014.06.020. PMID24994028.[dead link]
Orta, J; Christie, D; Jutglar, F; Kirwan, G. M. (2019). del Hoyo, Josep; Elliott, Andrew; Sargatal, Jordi; Christie, David A; de Juana, Eduardo (eds.). "Chatham Shag (Leucocarbo onslowi)". Handbook of the Birds of the World Alive. Barcelona: Lynx Edicions. doi:10.2173/bow.chisha1.01.1. S2CID242270837. Retrieved 25 March 2019.