Brisson, Mathurin Jacques (1760). Ornithologie, ou, Méthode Contenant la Division des Oiseaux en Ordres, Sections, Genres, Especes & leurs Variétés (dalam bahasa Perancis dan Latin). Paris: Jean-Baptiste Bauche. Jld. 1, m/s. 52, Jld. 6, m/s. 81.
Lewis, Charlton T.; Short, Charles (1879). "frātercŭlus". A Latin Dictionary. Perseus Digital Library.
worldbirdnames.org
Gill, Frank; Donsker, David; Rasmussen, Pamela, penyunting (2019). "Noddies, gulls, terns, auks". World Bird List Version 9.2. International Ornithologists' Union. Dicapai pada 3 Mac 2022.