Não informado. (1930). Bird Banding. North-Eastern Bird-Banding Association.
Chicago-viite (17. p.)Não informado. Bird Banding. Boston, Mass: North-Eastern Bird-Banding Association, 1930.
MLA-viite (8. p.)Não informado. Bird Banding. North-Eastern Bird-Banding Association, 1930.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.