PITMAN, Captain C R S. The nesting and some other habits of Alopochen, Nettapus, Plectropterus and Sarkidiornis. Wildfowl, [S. l.], p. 7, 1964. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/155145. Acesso em: 13 feb. 2026.