TUITE, C H; OWEN, Myrfyn. Breeding waterfowl on British inland waters in 1980. Wildfowl, [S. l.], v. 35, p. 157–172, 1984. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/155049. Acesso em: 17 dec. 2025.