GILLMOR, Robert A F; BLURTON JONES, N G. Rounding up Canada Geese - 2. Englefield Park, Berkshire. Wildfowl, [S. l.], v. 6, p. 83, 1953. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/155452. Acesso em: 19 apr. 2026.