HINDMAN, Larry J.; TJADEN, Robert L. Awareness and opinions of Maryland citizens toward Chesapeake Bay Mute Swans Cygnus olor and management alternatives. Wildfowl, [S. l.], p. 167–185, 2014. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/153620. Acesso em: 16 dec. 2025.